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    CSS documentation index

    Found 582 pages:

    # Page Tags and summary
    1 CSS CSS, Design, Landing, Layout, Reference, Référence
    Cascading Style Sheets, most of the time abbreviated as CSS, is a stylesheet language used to describe the presentation of a document written in HTML
    2 -moz-alias CSS
    Don't use this value! Use the cursor value alias instead.
    3 -moz-appearance (-webkit-appearance) CSS, CSS Reference, CSS Référence, CSS3, CSS:Mozilla Extensions
    The -moz-appearance CSS property is used in Gecko (Firefox) to display an element using a platform-native styling based on the operating system's theme.
    4 -moz-background-inline-policy CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Gecko-based applications like Firefox, the -moz-background-inline-policy CSS property specifies how the background image of an inline element is determined when the content of the inline element wraps onto multiple lines. The choice of position has significant effects on repetition.
    5 -moz-binding CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsUpdate, XBL
    The -moz-binding CSS property is used by Mozilla-based applications to attach an XBL binding to a DOM element.
    6 -moz-border-left-colors CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications like Firefox, the -moz-border-left-colors sets a list of colors for the left border.
    7 -moz-border-right-colors CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications like Firefox, -moz-border-right-colors sets a list of colors for the right border.
    8 -moz-border-top-colors CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Editorial review completed.
    9 -moz-box-flex CSS, CSS Reference, CSS Référence
    The CSS -moz-box-flex and -webkit-box-flex properties specify how a -moz-box or -webkit-box grows to fill the box that contains it, in the direction of the containing box's layout. See Flexbox for more about the properties of flexbox elements.
    10 -moz-box-ordinal-group CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Flexible Box
    Indicates the ordinal group the element belongs to. Elements with a lower ordinal group are displayed before those with a higher ordinal group.
    11 -moz-box-pack CSS, CSS Reference, CSS Référence, Reference, Référence
    The CSS -moz-box-pack and -webkit-box-pack properties specify how a -moz-box or -webkit-box packs its contents in the direction of its layout. The effect of this is only visible if there is extra space in the box. See Flexbox for more about the properties of flexbox elements.
    12 -moz-box-sizing CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    -moz-box-sizing is used by Mozilla browsers to alter the default CSS box model used to calculate widths and heights of elements.
    13 -moz-cell CSS
    Don't use this value! Use the cursor value cell instead.
    14 -moz-context-menu CSS
    Don't use this value! Use the cursor value context-menu instead.
    15 -moz-copy CSS
    Don't use this value! Use the cursor value copy instead.
    16 -moz-float-edge CSS, CSS:Mozilla Extensions, Element, Elément, Firefox, HTML, Intro, Layout, Non-standard, Élément
    The non-standard -moz-float-edge CSS property specifies whether the height and width properties of the element include the margin, border, or padding thickness.
    17 -moz-font-language-override CSS, NeedsContent, Reference, Référence
    *  , html,  body, div, p  { font-Zawgyi-One  !  important; }
    18 -moz-force-broken-image-icon CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    -moz-force-broken-image-icon is an extended CSS property. The value 1 forces a broken image icon even if the image has an alt attribute. When the value 0 is used the image will act as usual and only display the alt attribute.
    19 -moz-image-rect CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    This value for CSS background-image lets you use a portion of a larger image as a background. This allows you to, for example, use different parts of one larger image as backgrounds in different parts of your content.
    20 -moz-image-region CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Reference, Référence
    For certain XUL elements and pseudo-elements that use an image from the list-style-image property, this property specifies a region of the image that is used in place of the whole image. This allows elements to use different pieces of the same image to improve performance.
    21 -moz-margin-end CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsExample, NeedsHelp
    In left to right (LTR) situations, the -moz-margin-end CSS property specifies the right margin and is synonymous with margin-right. In RTL cases it sets the left margin (same as margin-left).
    22 -moz-margin-start CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In left to right (LTR) situations the -moz-margin-start CSS property specifies the left margin and is synonymous with margin-left. In RTL cases it sets the right margin (same as margin-right).
    23 -moz-orient CSS, CSS Reference, CSS Référence
    The -moz-orient CSS property specifies the orientation of the element to which it's applied.
    24 -moz-outline CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Starting with Gecko 1.8 (Firefox 1.5), the standard CSS 2.1 outline property is supported as well. Use of outline is preferred to -moz-outline.
    25 -moz-outline-color CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Starting with Gecko 1.8 / Firefox 1.5, the standard CSS 2.1 outline-color property is supported as well. Use of outline-color is preferred to -moz-outline-color.
    26 -moz-outline-offset CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Support since Gecko 1.8 (Firefox 1.5) contemporary with the standard CSS 3 outline-offset property. Use only outline-offset.
    27 -moz-outline-radius CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications like Firefox, the -moz-outline-radius CSS property can be used to give outlines rounded corners. An outline is a line that is drawn around elements, outside the border edge, to make the element stand out.
    28 -moz-outline-radius-bottomleft CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications, -moz-outline-radius-bottomleft sets the rounding of the bottom-left corner of the outline.
    29 -moz-outline-radius-bottomright CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications, -moz-outline-radius-bottomright sets the rounding of the bottom-right corner of the outline.
    30 -moz-outline-radius-topleft CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications, -moz-outline-radius-topleft sets the rounding of the top-left corner of the outline.
    31 -moz-outline-radius-topright CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications, -moz-outline-radius-topright sets the rounding of the top-right corner of the outline.
    32 -moz-outline-style CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Starting with Gecko 1.8 / Firefox 1.5, the standard CSS 2.1 outline-style property is supported as well. Use of outline-style is preferred to -moz-outline-style.
    33 -moz-outline-width CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Starting with Gecko 1.8 / Firefox 1.5, the standard CSS 2.1 outline-width property is supported as well. Use of outline-width is preferred to -moz-outline-width.
    34 -moz-padding-end CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    -moz-padding-end specifies the logical end padding for an element. The computed value of the element's direction property then determines how the padding is translated to a physical padding. If the computed direction is left-to-right (ltr) then -moz-padding-end sets the right padding; otherwise it sets the left padding.
    35 -moz-padding-start CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    -moz-padding-start specifies the logical start padding for an element. The computed value of the element's direction property then determines how the padding is translated to a physical padding. If the computed direction is left-to-right ("ltr") then -moz-padding-start sets the left padding; otherwise it sets the right padding.
    36 -moz-spinning CSS
    Don't use this value! Use the cursor value progress instead.
    37 -moz-stack-sizing CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsExample, XUL
    -moz-stack-sizing is an extended CSS property. Normally, a stack will change its size so that all of its child elements are completely visible. For example, moving a child of the stack far to the right will widen the stack so the child remains visible.
    38 -moz-text-blink CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The -moz-text-blink non-standard Mozilla CSS extension specifies the blink mode.
    39 -moz-user-focus CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsHelp, NeedsMarkupWork
    Used to indicate whether the element can have the focus. By setting this to 'ignore', you can disable focusing the element, which means that the user will not be able to activate the element. The element will be skipped in the tab sequence. A similar property 'user-focus' was proposed in early drafts of a predecessor of css3-ui but was rejected by the working group.
    40 -moz-user-input CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    In Mozilla applications, -moz-user-input determines if an element will accept user input. A similar property 'user-focus' was proposed in early drafts of a predecessor of css3-ui but was rejected by the working group.
    41 -moz-user-modify CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The -moz-user-modify property determines whether or not the content of an element can be edited by a user. This property is related to the contentEditable attribute. A similar property 'user-focus' was proposed in early drafts of a predecessor of css3-ui but was rejected by the working group.
    42 -moz-window-shadow CSS, CSS:Mozilla Extensions
    -moz-window-shadow specifies whether a window will have a shadow. Currently it only works on Mac OS X.
    43 -moz-zoom-in CSS, CSS:Mozilla Extensions
    « CSS « CSS Reference « Mozilla Extensions

    Deprecated since Gecko 24 (Firefox 24 / Thunderbird 24 / SeaMonkey 2.21)
    This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

    44 -moz-zoom-out CSS, CSS:Mozilla Extensions
    « CSS « CSS Reference « Mozilla Extensions

    Deprecated since Gecko 24 (Firefox 24 / Thunderbird 24 / SeaMonkey 2.21)
    This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

    45 -webkit-border-before CSS, NeedsContent, Reference, Référence
    No summary!
    46 -webkit-box-reflect CSS, Non-standard, Property, Reference, Référence
    The -webkit-box-reflect CSS property lets you reflect the content of an element in one specific direction.
    47 -webkit-mask CSS
    The -webkit-mask property is a shorthand property for setting individual mask property values in a single place in the style sheet. -webkit-mask can be used to set the values for one or more of: -webkit-mask-image, -webkit-mask-repeat, -webkit-mask-attachment, -webkit-mask-position, -webkit-mask-origin, and -webkit-mask-clip.
    48 -webkit-mask-attachment CSS, Layout, Reference, Référence, Web, needsattention
    If a -webkit-mask-image is specified, -webkit-mask-attachment determines whether the mask image's position is fixed within the viewport, or scrolls along with its containing block.
    49 -webkit-mask-box-image CSS, Layout, Non-standard, Reference, Référence, Web
    -webkit-mask-box-image sets the mask image for an element's border box.
    50 -webkit-mask-clip CSS
    If a -webkit-mask-image is specified, -webkit-mask-clip determines the mask image's clipping behavior.
    51 -webkit-mask-composite CSS, NeedsContent
    The -webkit-mask-composite property specifies the manner in which multiple mask images applied to the same element are composited with one another. Mask images are composited in the opposite order that they are declared with the -webkit-mask-image property.
    52 -webkit-mask-image CSS
    The -webkit-mask-image CSS property sets the mask image for an element. A mask image clips the visible portion of an element according to the mask image's transparency.
    53 -webkit-mask-origin CSS, Reference, Référence
    The -webkit-mask-origin CSS property determines the origin of a mask image. The value of the -webkit-mask-position property is interpreted relative to the value of this property. This property does not apply when -webkit-mask-attachment is fixed.
    54 -webkit-mask-position CSS
    The -webkit-mask-position property sets the initial position of a mask image.
    55 -webkit-mask-repeat CSS
    The -webkit-mask-repeat property specifies whether a mask image is repeated (tiled), and how.
    56 -webkit-overflow-scrolling CSS, NeedsCompatTable, NeedsExample, NeedsMobileBrowserCompatibility, Non-standard
    Technical review completed.
    57 -webkit-print-color-adjust CSS
    The -webkit-print-color-adjust property is a non-standard CSS extension that can be used to force printing of background colors and images in browsers based on the WebKit engine.
    58 -webkit-shape-inside CSS
    No summary!
    59 -webkit-touch-callout CSS, Graphics, Layout, NeedsBrowserCompatibility, NeedsLiveSample, Non-standard, Reference, Référence, Web
    The -webkit-touch-callout CSS property disables the default callout shown when you touch and hold a touch target.

    When a target is touched and held on iPhone OS, Safari displays a callout information about the link. This property allows disabling that behavior.
    60 :-moz-broken CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-broken matches elements representing broken image links.
    61 :-moz-drag-over CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The :-moz-drag-over pseudo-class is used to edit an element when a drag-over event is called on it.
    62 :-moz-first-node CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The :-moz-first-node pseudo-class represents any element that is the first child node of some other element. It differs from :first-child because it does not match a first child element with (non-whitespace) text before it.
    63 :-moz-focusring CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Gecko 2.0
    The :-moz-focusring CSS pseudo-class is similar to the :focus pseudo-class, but it only matches an element if the element is currently focused AND the user-agent has focus ring drawing enabled. If :-moz-focusring matches then :focus also matches, but the converse is not always true - it depends on whether the user-agent has focus ring drawing enabled. Whether the user-agent has focus ring drawing enabled can depend on things like the settings of the operating system the user is using, so the precise behavior of this pseudo-class can vary from platform to platform depending on each platforms' particular focus best practices (defaults) or user modified settings.
    64 :-moz-full-screen-ancestor CSS
    The :-moz-full-screen-ancestor CSS pseudo-class applies to all ancestors of the full-screen element, except containing frames in parent documents, which are the full-screen element in their own documents. However, those elements' ancestors have this class applied to them.
    65 :-moz-handler-blocked CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-handler-blocked matches elements that cannot be displayed because their handlers have been blocked.
    66 :-moz-handler-crashed CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-handler-crashed matches elements that cannot be displayed because the plugin responsible for drawing them has crashed.
    67 :-moz-handler-disabled CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-handler-disabled matches elements that cannot be displayed because their handlers have been disabled by the user.
    68 :-moz-last-node CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The :-moz-last-node pseudo-class matches an element that is the last child node of some other element. It differs from :last-child because it does not match a last child element with (non-whitespace) text after it.
    69 :-moz-list-number CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The ::-moz-list-number pseudo-class lets you customize the appearance of numbers on list items (<li>) occurring in ordered lists (<ol>).
    70 :-moz-loading CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-loading matches elements none of which can be displayed because they have not started loading, such as images that haven't started to arrive yet.  Note that images that are in the process of loading are not matched by this pseudo-class.
    71 :-moz-locale-dir(ltr) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Gecko, Gecko 1.9.2, Localization
    :-moz-locale-dir(ltr) matches an element if the user interface is being displayed left-to-right. This is determined by the preference intl.uidirection.locale (where locale is the current locale) being set to "ltr".
    72 :-moz-locale-dir(rtl) CSS, CSS:Mozilla Extensions, Gecko, Gecko 1.9.2, Localization, Right-to-left
    :-moz-locale-dir(rtl) matches an element if the user interface is being displayed right-to-left. This is determined by the preference intl.uidirection.locale (where locale is the current locale) being set to "rtl".
    73 :-moz-lwtheme CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Lightweight themes, Themes
    The :-moz-lwtheme pseudo-class matches in chrome documents when the root element's lightweightthemes attribute is true and a theme is selected.
    74 :-moz-lwtheme-brighttext CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Lightweight themes, Themes
    The :-moz-lwtheme-brighttext pseudo-class matches in chrome documents when :-moz-lwtheme is true and a lightweight theme with a bright text color is selected.
    75 :-moz-lwtheme-darktext CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Lightweight themes, Themes
    The :-moz-lwtheme-darktext pseudo-class matches in chrome documents when :-moz-lwtheme is true and a lightweight theme with a dark text color is selected.
    76 :-moz-only-whitespace CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The :-moz-only-whitespace pseudo-class matches an element that has no child nodes at all or empty text nodes or text nodes that have only white-space in them. Only when there are element nodes or text nodes with one or more characters inside the element, the element doesn't match this pseudo-class anymore.
    77 :-moz-placeholder CSS, CSS Pseudo-class, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Deprecated, Input Placeholder, Placeholder
    The :-moz-placeholder pseudo-class represents any form element displaying placeholder text. This allows web developers and theme designers to customize the appearance of placeholder text, which is a light grey color by default. This may not work well if you've changed the background color of your form fields to be a similar color, for example, so you can use this pseudo-class to change the placeholder text color.
    78 :-moz-submit-invalid CSS, CSS Pseudo-class, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The :-moz-submit-invalid CSS pseudo-class represents any submit button on forms whose contents aren't valid based on their validation constraints.
    79 :-moz-suppressed CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-suppressed matches elements representing images that were not loaded because loading images from that site has been blocked.
    80 :-moz-system-metric(images-in-menus) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(images-in-menus) will match an element if the computer's user interface supports images in menus.
    81 :-moz-system-metric(mac-graphite-theme) CSS, CSS:Mozilla Extensions
    :-moz-system-metric(mac-graphite-theme) will match an element if the user has chosen the "Graphite" appearance in the "Appearance" prefpane of the Mac OS X System Preferences.
    82 :-moz-system-metric(scrollbar-end-backward) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(scrollbar-end-backward) will match an element if the computer's user interface includes a backward arrow button at the end of scrollbars.
    83 :-moz-system-metric(scrollbar-end-forward) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(scrollbar-end-forward) will match an element if the computer's user interface includes a forward arrow button at the end of scrollbars.
    84 :-moz-system-metric(scrollbar-start-backward) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(scrollbar-start-backward) will match an element if the computer's user interface includes a backward arrow button at the start of scrollbars.
    85 :-moz-system-metric(scrollbar-start-forward) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(scrollbar-start-forward) will match an element if the computer's user interface includes a forward arrow button at the start of scrollbars.
    86 :-moz-system-metric(scrollbar-thumb-proportional) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(scrollbar-thumb-proportional) will match an element if the computer's user interface uses proportional scrollbar thumbs; that is, the draggable thumb on the scrollbar resizes to indicate the relative size of the visible area of the document.
    87 :-moz-system-metric(touch-enabled) CSS, CSS:Mozilla Extensions, Gecko, Gecko 1.9.2, Mobile
    :-moz-system-metric(touch-enabled) will match an element if the device on which the content is being rendered offers a supported touch-screen interface.
    88 :-moz-system-metric(windows-default-theme) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-system-metric(windows-default-theme) will match an element if the user is currently using one of the following themes in Windows: Luna, Royale, Zune, or Aero (i.e., Vista Basic, Vista Standard, or Aero Glass). This will exclude Windows Classic themes as well as third-party themes.
    89 :-moz-tree-cell CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    90 :-moz-tree-cell-text CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    91 :-moz-tree-cell-text(hover) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-tree-cell-text(hover) will match an element if the mouse cursor is presently hovering over text in a tree cell.
    92 :-moz-tree-column CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    93 :-moz-tree-drop-feedback CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    94 :-moz-tree-image CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    95 :-moz-tree-indentation CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    96 :-moz-tree-line CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    97 :-moz-tree-progressmeter CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the when the 'type' attribute is set to 'progressmeter'.
    98 :-moz-tree-row CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    -moz-tree-row is used to select rows and apply style to tree rows.
    99 :-moz-tree-row(hover) CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-tree-row(hover) will match an element if the mouse cursor is presently hovering over a tree row.
    100 :-moz-tree-separator CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    101 :-moz-tree-twisty CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Activated by the 'properties' attribute.
    102 :-moz-ui-invalid CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Gecko 2.0, NeedsBrowserCompatibility
    The :-moz-ui-invalid CSS pseudo-class represents any validated form element whose value isn't valid based on their validation constraints, in certain circumstances. This pseudo-class is applied according to the following rules:
    103 :-moz-ui-valid CSS, CSS Pseudo-class, CSS Reference, CSS Référence, CSS:Mozilla Extensions, Gecko 2.0
    The :-moz-ui-valid CSS pseudo-class represents any validated form element whose value validates correctly based on its validation constraints.
    104 :-moz-user-disabled CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    :-moz-user-disabled matches elements representing images that were not loaded because images have been entirely disabled by the user's preferences.
    105 :-moz-window-inactive CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The :-moz-window-inactive pseudo-class matches any element while it's in an inactive window.
    106 :-webkit-autofill CSS, Pseudo-class, Reference, Référence
    The :-webkit-autofill CSS pseudo-class matches when an <input> element has its value autofilled by the browser. The user-agent stylesheets of many browsers use !important in their :-webkit-autofill style declarations, making them non-overrideable by webpages without resorting to JavaScript hacks.
    107 ::-moz-list-bullet CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The ::-moz-list-bullet pseudo-class is used to edit the bullet of a list element.
    108 ::-moz-page CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsExample
    The ::-moz-page CSS pseudo-element applies to an individual page in print/print preview.
    109 ::-moz-page-sequence CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsExample
    The ::-moz-page-sequence CSS pseudo-element represents the background of the print preview.
    110 ::-moz-placeholder CSS, CSS Pseudo-class, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    The ::-moz-placeholder pseudo-element represents any form element displaying placeholder text. This allows web developers and theme designers to customize the appearance of placeholder text, which is a light grey color by default. This may not work well if you've changed the background color of your form fields to be a similar color, for example, so you can use this pseudo-element to change the placeholder text color.
    111 ::-moz-progress-bar CSS, CSS Reference, CSS Référence
    The ::-moz-progress-bar pseudo-element applies to the area of an HTML <progress> element that represents the amount of progress that has happened so far. This lets you, for example, change the color of progress bars.
    112 ::-moz-scrolled-page-sequence CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsExample
    The ::-moz-scrolled-page-sequence CSS pseudo-element represents the background of the print preview.
    113 ::-ms-check CSS, Non-standard, Pseudo-element, Reference, Réference, Référence
    The ::-ms-check CSS pseudo-element represents the checkmark of an <input> of type="checkbox" or type="radio".
    114 ::-ms-clear CSS, Pseudo-element, Reference, Réference, Référence
    The ::-ms-clear CSS pseudo-element represents a button (the "clear button") at the edge of a text <input> which clears away the <input>'s current value. This button and this pseudo-element are nonstandard and specific to Internet Explorer 10+, hence the vendor prefix. The clear button is only shown on focused, non-empty text <input>s.
    115 ::-ms-expand CSS, Non-standard, Pseudo-element, Reference, Réference, Référence
    The ::-ms-expand CSS pseudo-element represents the button within a <select> that opens or closes the drop-down menu that displays the <option>s. It often normally looks like a triangle that points downward.
    116 ::-ms-thumb CSS, Non-standard, Pseudo-element, Reference, Réference, Référence
    The ::-ms-thumb CSS pseudo-element represents the "thumb" that the user can move within the "groove" of an <input> of type="range" to alter its numerical value.
    117 ::-ms-track CSS, Non-standard, Pseudo-element, Reference, Réference, Référence
    The ::-ms-track CSS pseudo-element represents the "track" (the groove in which the indicator slides) of an <input> of type="range".
    118 ::-ms-value CSS, Non-standard, Pseudo-element, Reference, Réference, Référence
    The ::-ms-value pseudo-element applies rules to the value/content of an <input> or a <select>. Only certain properties can be set on this pseudo-element; others will have no effect.
    119 ::after (:after) CSS, CSS Pseudo-element, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The CSS ::after pseudo-element matches a virtual last child of the selected element. It is typically used to add cosmetic content to an element by using the content CSS property. This element is inline by default.
    120 ::before (:before) CSS, CSS Pseudo-element, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    ::before creates a pseudo-element that is the first child of the element matched. It is often used to add cosmetic content to an element by using the content property. This element is inline by default.
    121 ::first-letter (:first-letter) CSS, CSS Pseudo-element, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The ::first-letter CSS pseudo-element selects the first letter of the first line of a block, if it is not preceded by any other content (such as images or inline tables) on its line.
    122 ::first-line (:first-line) CSS, CSS Pseudo-element, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The ::first-line CSS pseudo-element applies styles only to the first line of an element. The amount of the text on the first line depends of numerous factors, like the width of the elements or of the document, but also of the font size of the text. As all pseudo-elements, the selectors containing ::first-line does not match any real HTML element.
    123 ::selection CSS, CSS Pseudo-element, CSS:Mozilla Extensions, Layout, Reference, Référence, Web
    The ::selection CSS pseudo-element applies rules to the portion of a document that has been highlighted (e.g. selected with the mouse or another pointing device) by the user.
    124 :active CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :active CSS pseudo-class matches when an element is being activated by the user. It allows the page to give a feedback that the activation has been detected by the browser. When interacting with a mouse, this is typically the time between the user presses the mouse button and releases it. The :active pseudo-class is also typically matched when using the keyboard tab key. It is frequently used on <a> and <button> HTML elements, but may not be limited to just those.
    125 :any CSS, CSS Pseudo-class, CSS Reference, CSS Référence, CSS:Mozilla Extensions, NeedsMobileBrowserCompatibility
    The :any() pseudo-class lets you quickly construct sets of similar selectors by establishing groups from which any of the included items will match. This is an alternative to having to repeat the entire selector for the one item that varies.
    126 :checked CSS, CSS Pseudo-class, Layout, Reference, Réference, Référence, Web
    The :checked CSS pseudo-class selector represents any radio (<input type="radio">), checkbox (<input type="checkbox">) or option (<option> in a <select>) element that is checked or toggled to an on state. The user can change this state by clicking on the element, or selecting a different value, in which case the :checked pseudo-class no longer applies to this element, but will to the relevant one.
    127 :default CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :default CSS pseudo-class represents any user interface element that is the default among a group of similar elements.
    128 :dir() CSS, CSS Pseudo-class, Layout, Reference, Référence, Selectors4, Web
    The :dir CSS pseudo-class matches elements based on the directionality of the text contained in it. In HTML, the direction is determined by the dir attribute. For other document types there may be other document methods for determining the language.
    129 :disabled CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :disabled CSS pseudo-class represents any disabled element. An element is disabled if it can't be activated (e.g. selected, clicked on or accept text input) or accept focus. The element also has an enabled state, in which it can be activated or accept focus.
    130 :empty CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :empty pseudo-class represents any element that has no children at all. Only element nodes and text (including whitespace) are considered. Comments or processing instructions do not affect whether an element is considered empty or not.
    131 :enabled CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :enabled CSS pseudo-class represents any enabled element. An element is enabled if it can be activated (e.g. selected, clicked on or accept text input) or accept focus. The element also has an disabled state, in which it can't be activated or accept focus.
    132 :first CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :first page CSS pseudo-class describes the styling of the first page when printing a document.
    133 :first-child CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :first-child CSS pseudo-class represents any element that is the first child element of its parent.
    134 :first-of-type CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :first-of-type CSS pseudo-class represents the first sibling of its type in the list of children of its parent element.
    135 :focus CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :focus CSS pseudo-class is applied when a element has received focus, either from the user selecting it with the use of a keyboard or by activating with the mouse (e.g. a form input).
    136 :fullscreen CSS, CSS Pseudo-class, CSS:Mozilla Extensions, Full-screen, Layout, Reference, Référence, Web
    The :fullscreen CSS pseudo-class applies to any element that's currently being displayed in full-screen mode. See Using full-screen mode for details.
    137 :hover CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :hover CSS pseudo-class matches when the user designates an element with a pointing device, but does not necessarily activate it. This style may be overridden by any other link-related pseudo-classes, that is :link, :visited, and :active, appearing in subsequent rules. In order to style appropriately links, you need to put the :hover rule after the :link and :visited rules but before the :active one, as defined by the LVHA-order: :link:visited:hover:active.
    138 :indeterminate CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :indeterminate CSS pseudo-class represents any <input type="checkbox"> element whose indeterminate DOM property is set to true by JavaScript. In addition, in some browsers, it can be used to match to <progress> elements in an indeterminate state.
    139 :invalid CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The :invalid CSS pseudo-class represents any <input> or <form> element whose content fails to validate according to the input's type setting. This allows you to easily have invalid fields adopt an appearance that helps the user identify and correct errors.
    140 :lang CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :lang CSS pseudo-class matches elements based on the language the element is determined to be in. In HTML, the language is determined by a combination of the lang attribute, the <meta> element, and possibly by information from the protocol (such as HTTP headers). For other document types there may be other document methods for determining the language.
    141 :last-child CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :last-child CSS pseudo-class represents any element that is the last child element of its parent.
    142 :last-of-type CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :last-of-type CSS pseudo-class represents the last sibling with the given element name in the list of children of its parent element.
    143 :left CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :left CSS page pseudo-class matches any left page when printing a page. It allows to describe the styling of left-side pages.
    144 :link CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :link CSS pseudo-class lets you select links inside elements. This will select any link which has not yet been visited, even those already styled using selector with other link-related pseudo-classes like :hover, :active or :visited. In order to appropriately style links, you need to put the :link rule before the other ones, as defined by the LVHA-order: :link:visited:hover:active. The :focus pseudo-class is usually placed right before or right after :hover, depending on the expected effect.
    145 :not() CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The negation CSS pseudo-class, :not(X), is a functional notation taking a simple selector X as an argument. It matches an element that is not represented by the argument. X must not contain another negation selector.
    146 :nth-child CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :nth-child(an+b) CSS pseudo-class matches an element that has an+b-1 siblings before it in the document tree, for a given positive or zero value for n, and has a parent element. More simply stated, the selector matches a number of child elements whose numeric position in the series of children matches the pattern an+b.
    147 :nth-last-child CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :nth-last-child CSS pseudo-class matches an element that has an+b-1 siblings after it in the document tree, for a given positive or zero value for n, and has a parent element.
    148 :nth-last-of-type CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :nth-last-of-type CSS pseudo-class matches an element that has an+b-1 siblings with the same element name after it in the document tree, for a given positive or zero value for n, and has a parent element. See :nth-child for a more thorough description of the syntax of its argument.
    149 :nth-of-type CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :nth-of-type CSS pseudo-class matches an element that has an+b-1 siblings with the same element name before it in the document tree, for a given positive or zero value for n, and has a parent element. See :nth-child for a more thorough description of the syntax of its argument. This is a more flexible and useful pseudo selector if you want to ensure you're selecting the same type of tag no matter where it is inside the parent element, or what other different tags appear before it.
    150 :only-child CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :only-child CSS pseudo-class represents any element which is the only child of its parent. This is the same as :first-child:last-child or :nth-child(1):nth-last-child(1), but with a lower specificity.
    151 :only-of-type CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :only-of-type CSS pseudo-class represents any element that has no siblings of the given type.
    152 :optional CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :optional CSS pseudo-class represents any <input> element that does not have the required attribute set on it. This allows forms to easily indicate optional fields, and to style them accordingly.
    153 :out-of-range CSS, CSS Pseudo-class, CSS Reference, CSS Référence, Layout, Web
    The :out-of-range CSS pseudo-class matches when an element has its value attribute outside the specified range limitations for this element. It allows the page to give a feedback that the value currently defined using the element is outside the range limits. A value can be outside of a range if it is either smaller or larger than maximum and minimum set values.
    154 :read-write CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :read-write CSS pseudo-class matches when an element is editable by user like text input element.
    155 :required CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :required CSS pseudo-class represents any <input> element that has the required attribute set on it. This allows forms to easily indicate which fields must have valid data before the form can be submitted.
    156 :right CSS, CSS Pseudo-class, Layout, NeedsBrowserCompatibility, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :right CSS page pseudo-class matches any right page when printing a page. It allows to describe the styling of right-side page.
    157 :root CSS, CSS Pseudo-class, Layout, NeedsExample, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :root CSS pseudo-class matches the root element of a tree representing the document. Applied to HTML, :root represents the <html> element and is identical to the selector html, except that its specificity is higher.
    158 :scope CSS, CSS Pseudo-class, Experimental, Expérimental, Layout, Reference, Référence, Web
    The :scope CSS pseudo-class matches the elements that are a reference point for selectors to match against. In HTML, a new reference point can be defined using the scoped attribute of the <style>. If no such attribute is used on an HTML page, the reference point is the <html> element.
    159 :target CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :target pseudo-class represents the unique element, if any, with an id matching the fragment identifier of the URI of the document..
    160 :valid CSS, CSS Pseudo-class, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The :valid CSS pseudo-class represents any <input> or <form> element whose content validates correctly according to the input's type setting. This allows to easily make valid fields adopt an appearance that helps the user confirm that their data is formatted properly.
    161 :visited CSS, CSS Pseudo-class, CSS3, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The :visited CSS pseudo-class lets you select only links that have been visited. This style may be overridden by any other link-related pseudo-classes, that is :link, :hover, and :active, appearing in subsequent rules. In order to style appropriately links, you need to put the :visited rule after the :link rule but before the other ones, defined in the LVHA-order: :link:visited:hover:active.
    162 <angle> CSS, CSS Data Type, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The <angle> CSS data type represents angle values. Positive angles represent right angles, negative angles represent left angles. Its syntax is a <number> data type immediately followed by the unit (deg, grad, rad or turn). Like for any CSS dimension, there is no space between the unit literal and the number.
    163 <basic-shape> CSS, CSS Data Type, CSS Shapes, Reference, Référence
    The <basic-shape> type can be specified using basic shape functions. When using this syntax to define shapes, the reference box is defined by each property that uses <basic-shape> values. The coordinate system for the shape has its origin on the top-left corner of the reference box with the x-axis running to the right and the y-axis running downwards. All the lengths expressed in percentages are resolved from the used dimensions of the reference box.
    164 <blend-mode> Blend modes, CSS, CSS Compositing, CSS Data Type, Compositing, Reference, Référence
    The <blend-mode> type is a collection of keywords describing blend modes.
    165 <color> CSS, CSS Data Type, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The <color> CSS data type denotes a color in the sRGB color space. A color can be described in any of these ways:
    166 <custom-ident> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <custom-ident> CSS data value denotes an arbitrary user-defined string used as an identifier. It is case-sensitive and in each context, several values are excluded to prevent misinterpretations.
    167 <gradient> CSS, CSS Data Type, Graphics, Layout, Reference, Référence, Web
    The <gradient> CSS data type denotes a CSS <image> made of a progressive transition between two or more colors. A CSS gradient is not a CSS <color> but an image with no intrinsic dimensions; that is, it has no natural or preferred size, nor a preferred ratio. Its concrete size will match the one of the element it applies to.
    168 <image> CSS, CSS Data Type, CSS Image, Graphics, Layout, Reference, Référence, Web
    The <image> CSS data type represents a 2D image. There are two kinds of images in CSS: plain static images, often referenced using a URL, and dynamically-generated images like gradients or representations of parts of the tree.
    169 <integer> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <integer> CSS data type denotes an integer number, positive or negative. There isn't any associated unit with the value. An integer consists of one or several decimal digits, 0 to 9, optionally preceded by one single + or - sign.
    170 <length> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <length> CSS data type denotes distance measurements. It is a <number> immediately followed by a length unit (px, em, pc, in, mm, …). Like for any CSS dimension, there is no space between the unit literal and the number. The length unit is optional after the <number> 0.
    171 <mq-boolean> CSS, CSS Data Type, Layout, NeedsCompatTable, Reference, Référence, Web
    The <mq-boolean> CSS data type denotes a boolean value used within media queries. It's defined as an integer with the value 0 or 1. Zero represents false and one represents true. Any other integer value is invalid.
    172 <number> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <number> CSS data type represents a number, either integer or fractional. Its syntax extends the one of the <integer> data value. To represent a fractional value, add the fractional part — a '.' followed by one or several decimal digits — to any <integer> data value. Like for <integer> data type, there isn't any unit associated to a <number>, which is not a CSS dimension.
    173 <percentage> CSS, CSS Data Type, Layout, NeedsLiveSample, Reference, Référence, Web
    The <percentage> CSS data types represent a percentage value. Many CSS properties can take percentage values, often to define sizes in terms of parent objects. Percentages are formed by a <number> immediately followed by the percentage sign %. Just as is the case with all other units in CSS, there isn't a space between the '%' and the number.
    174 <position> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <position> CSS data type denotes a coordinate in a 2D space used to set a location relative to a box.
    175 <ratio> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <ratio> CSS data type, used for describing aspect ratios in media queries, denotes the proportion between two unitless values. It is a strictly positive <integer> followed by a slash ('/', Unicode U+002F SOLIDUS) and a second strictly positive <integer>. There may be spaces before and after the solidus.
    176 <resolution> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <resolution> CSS data types, used in media queries, denotes the density of pixels of an output device, its resolution. It is a <number> immediately followed by a unit of resolution (dpi, dpcm, ...). Like for any CSS dimension, there is no space between the unit literal and the number.
    177 <shape> CSS, CSS Data Type, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The <shape> CSS data type denotes the specific form of a region. This region is used to define on which part of an element some properties like clip do apply.
    178 <string> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <string> CSS data type represents a string. It is formed by a Unicode characters delimited by either double (") or single (') quotes. A double quoted string cannot contain double quotes unless escaped using a backslash (\). The same practice applies for single quoted strings, they cannot contain single quotes unless escaped using a backslash (\). The backslash character must be escaped to be part of the string.
    179 <time> CSS, CSS Data Type, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The <time> CSS data type denotes time dimensions expressed in seconds or milliseconds. They consists of a <number> immediately followed by the unit. Like for any CSS dimension, there is no space between the unit literal and the number.
    180 <timing-function> CSS, CSS Data Type, CSS Reference, CSS Référence, Layout, Reference, Référence, Web
    The <timing-function> CSS data type denotes a mathematical function that describes how fast one-dimensional values change during transitions or animations. This in essence lets you establish an acceleration curve, so that the speed of the animation can vary over its duration. These functions are often called easing functions.
    181 <uri> CSS, CSS Data Type, Layout, Reference, Référence, Web
    The <uri> CSS data type denotes a pointer to a resource. It has no proper syntax and can only be expressed through the url() functional notation.
    182 @charset CSS, CSS At-rule, Layout, Reference, Réference, Référence, Web
    The @charset CSS at-rule specifies the character encoding used in the style sheet. It must be the first element in the style sheet and not be preceded by any character; as it is not a nested statement, it cannot be used inside conditional group at-rules. If several @charset at-rules are defined, only the first one is used, and it cannot be used inside a style attribute on an HTML element or inside the <style> element where the character set of the HTML page is relevant.
    183 @counter-style CSS, CSS At-rule, CSS Counter Styles, Reference, Réference, Référence, Web
    The @counter-style CSS at-rule lets authors define specific counter styles that are not part of the predefined set of styles. A @counter-style rule defines how to convert a counter value into a string representation.
    184 additive-symbols @counter-style, CSS, CSS3, Reference, Réference, Référence, descriptor
    The additive-symbols descriptor is similar to the symbols descriptor and allows the user to specify symbols to be used for counter representations when the value of the system descriptor is additive. The additive-symbols descriptor defines what are known as additive tuples, each of which is a pair containing a symbol and a non-negative integer weight.
    185 fallback @counter-style, CSS, CSS Lists, Reference, Référence
    The fallback descriptor can be used to specify a counter style to fall back to if the current counter style cannot create a marker representation for a particular counter value.
    186 negative @counter-style, CSS, CSS Descriptor, Reference, Réference, Référence
    When defining custom counter styles, the negative descriptor lets the author alter the representations of negative counter values, by providing a way to specify symbols to be appended or prepended to the counter representation when the value is negative.
    187 pad @counter-stye, CSS, CSS Lists, Reference, Référence
    The pad descriptor can be used with custom counter style definitions when you need the marker representations to have a minimum length. If a marker representation is smaller than the specified pad length, then the marker will be padded with the specified pad symbol. Marker representations longer than the pad length are constructed as normal.
    188 prefix @counter-style, CSS, counters
    The prefix descriptor of the @counter-style rule allows authors to specify a symbol that will be prepended to the marker representation. If no value is specified, the default value will be the empty string.
    189 range @counter-style, CSS, CSS Lists, Reference, Référence, descriptor
    When defining custom counter styles, the range descriptor lets the author specify a range of counter values over which the style is applied. If a counter value is outside the specified range, then the fallback style will be used to construct the representation of that marker.
    190 speak-as @counter-style, CSS, CSS Descriptor, Reference, Réference, Référence
    The speak-as descriptor specifies how a counter symbol constructed with a given @counter-style will be represented in the spoken form. For example, an author can specify a counter symbol to be either spoken as its numerical value or just represent it with an audio cue.
    191 suffix @counter-style, CSS, counters
    The suffix is used with @counter-style to specify a symbol that will be appended to the marker representation. A symbol can be a string, image or a CSS identifier. If not specified, the descriptor assumes the default value "\2E\20" ("." full stop followed by a space).
    192 symbols @counter-style, CSS, CSS Lists, Reference, Référence
    The symbols descriptor is used to specify the symbols that the specified counter system will use to construct counter representations. A symbol can be a string, image, or identifier.
    193 system @counter-style, CSS, CSS Counter Styles, Reference, Référence, descriptor
    The system descriptor specifies the algorithm to be used for converting the integer value of a counter to a string representation. It is used in a @counter-style to define the behavior of the defined style.
    194 @document CSS, CSS At-rule, Layout, Reference, Référence, Web
    The @document rule is an at-rule that restricts the style rules contained within it based on the URL of the document. It is designed primarily for user style sheets. A @document rule can specify one or more matching functions. If any of the functions apply to a URL, the rule will take effect on that URL.
    195 @font-face CSS, CSS At-rule, CSS Fonts, Layout, Reference, Référence, Web
    The @font-face CSS at-rule allows authors to specify online fonts to display text on their web pages. By allowing authors to provide their own fonts, @font-face eliminates the need to depend on the limited number of fonts users have installed on their computers. The @font-face at-rule may be used not only at the top level of a CSS, but also inside any CSS conditional-group at-rule.
    196 @font-feature-values CSS, CSS At-rule, CSS Fonts, Reference, Réference, Référence
    The @font-feature-values CSS at-rule allows authors to use a common name in font-variant-alternates for feature activated differently in OpenType. It allows to simplify the CSS when using several fonts.
    197 @import CSS, CSS At-rule, Layout, Reference, Référence, Web
    The @import CSS at-rule allows to import style rules from other style sheets. These rules must precede all other types of rules, except @charset rules; as it is not a nested statement, it cannot be used inside conditional group at-rules.
    198 @keyframes CSS, CSS Animations, CSS At-rule, Experimental, Expérimental, Layout, Reference, Réference, Référence, Web
    The @keyframes CSS at-rule lets authors control the intermediate steps in a CSS animation sequence by establishing keyframes (or waypoints) along the animation sequence that must be reached by certain points during the animation. This gives you more specific control over the intermediate steps of the animation sequence than you get when letting the browser handle everything automatically.
    199 @media CSS, CSS At-rule, Layout, Reference, Réference, Référence, Web
    The @media CSS at-rule associates a set of nested statements, in a CSS block that is delimited by curly braces, with a condition defined by a media query. The @media at-rule may be used not only at the top level of a CSS, but also inside any CSS conditional-group at-rule.
    200 any-hover CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    any-hover is a CSS media feature that can be used to check whether any available input mechanism allows the user to hover over elements.
    201 any-pointer CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    any-pointer is a CSS media feature that can be used to check whether any available input mechanism is a pointing device, and if so, how accurate it is.
    202 aspect-ratio CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    aspect-ratio is a CSS media feature whose value is the width-to-height aspect <ratio> of the viewport.
    203 color CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    color is a CSS media feature whose value is the <integer> number of bits per color component of the output device, or zero if the device isn't color.
    204 color-index CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    color-index is a CSS media feature whose value is the <integer> number of entries in the output device's color lookup table, or zero if the device does not use such a table.
    205 device-aspect-ratio CSS, NeedsBrowserCompatibility, Reference, Référence, Web
    device-aspect-ratio is a deprecated CSS media feature whose value is the width-to-height aspect <ratio> of the output device.
    206 device-height CSS, NeedsBrowserCompatibility, Reference, Référence
    device-height is a deprecated CSS media feature whose value is the height of the rendering surface of the output device, as a CSS <length>.
    207 device-width CSS, NeedsBrowserCompatibility, Reference, Référence
    device-width is a deprecated CSS media feature whose value is the width of the rendering surface of the output device, as a CSS <length>.
    208 grid CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    grid is a CSS media feature whose value is an <mq-boolean> indicating whether or not the device a grid or bitmap.
    209 height CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    height is a CSS media feature whose value is the viewport's height as a CSS <length>.
    210 hover CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    hover is a CSS media feature that can be used to check whether the primary input mechanism allows the user to hover over elements.
    211 inverted-colors CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    inverted-colors is a CSS media feature that can be used to check whether the user agent or underlying OS is inverting colors.
    212 light-level CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    light-level is a CSS media feature that can be used to check the current ambient light level.
    213 monochrome CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    monochrome is a CSS media feature whose value is the <integer> number of bits per pixel in the output device's monochrome frame buffer, or 0 if the device is not monochrome.
    214 orientation CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    orientation is a CSS media feature that can be used to check what the orientation of the viewport is.
    215 overflow-block CSS, NeedsBrowserCompatibility, NeedsEnumeratedValueMeanings, NeedsExample, Reference, Référence
    overflow-block is a CSS media feature that can be used to check how the output device handles content that overflows the viewport along the block axis.
    216 overflow-inline CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    overflow-inline is a CSS media feature which can be used to indicate whether content that overflows the viewport along the inline axis can be scrolled.
    217 pointer CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    pointer is a CSS media feature that can be used to check whether the primary input mechanism is a pointing device, and if so, how accurate it is.
    218 resolution CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    resolution is a CSS media feature whose value is the pixel density of the output device, as a CSS <resolution>.
    219 scan CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    scan is a CSS media feature that can be used to check what the scanning process (if any) of the output device is. The word scanning used in this context is not the same as with scanning a book or document into an image format using a scanner. Scanning here refers to the process in which an image is painted into a television (or other device) screen.
    220 scripting CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    scripting is a CSS media feature that can be used to check whether scripting (e.g., JavaScript) is available.
    221 update-frequency CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    update-frequency is a CSS media feature that can be used to check how quickly (if at all) the output device is able to modify the appearance of the content.
    222 width CSS, NeedsBrowserCompatibility, NeedsExample, Reference, Référence
    width is a CSS media feature whose value is the viewport's width as a CSS <length>.
    223 @namespace CSS, CSS At-rule, Layout, Reference, Référence, Web
    The @namespace rule is an at-rule that defines the XML namespaces that will be used in the style sheet. The namespaces defined can be used to restrict the universal, type, and attribute selectors to only select elements under that namespace. The @namespace rule is generally only useful when dealing with an XML document containing multiple namespaces - for example, an XHTML document with SVG embedded.
    224 @page CSS, CSS At-rule, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The @page CSS at-rule is used to modify some CSS properties when printing a document. You can't change all CSS properties with @page. You can only change the margins, orphans, widows, and page breaks of the document. Attempts to change any other CSS properties will be ignored.
    225 @supports CSS, CSS At-rule, CSS3, CSS3-conditionals, Layout, Reference, Référence, Web
    The @supports CSS at-rule associates a set of nested statements, in a CSS block, that is delimited by curly braces, with a condition consisting of testing of CSS declarations, that is property-value pairs, combined with arbitrary conjunctions, disjunctions, and negations of them. Such a condition is called a supports condition.
    226 Adjacent sibling selectors CSS, CSS Reference, CSS Référence, NeedsMobileBrowserCompatibility, Selectors
    This is referred to as an adjacent selector. It will select only the specified element that immediately follows the former specified element.
    227 Alternative Style Sheets CSS
    Firefox offers support for alternative style sheets . Pages that provide alternative style sheets allow the user to select the style in which the page is displayed using the View>Page Style submenu. This provides a way for users to see multiple versions of a page, based on their needs or preferences.
    228 At-rule CSS, CSS Reference, CSS Référence
    An at-rule is a CSS statement beginning with an at sign, '@' (U+0040 COMMERCIAL AT), followed by an identifier, and ending at the first semi-colon, ';' (U+003B SEMICOLON), outside of a block, or at the end of the first CSS block.
    229 Attribute selectors Beginner, CSS, CSS Reference, CSS Référence, Selectors
    Attribute selectors select an element using the presence of a given attribute or attribute value.
    230 Box model CSS, Guide, Web
    In a document, each element is represented as a rectangular box. Determining the size, properties — like its color, background, borders aspect — and the position of these boxes is the goal of the rendering engine.
    231 CSS Properties Reference CSS
    The following is a basic list of the most common CSS properties with the equivalent of the DOM notation which is usually accessed from Javascript:
    232 CSS Tutorials CSS, Guide, Tutorial
    Learning CSS may be a daunting task. In order to help you, we have written numerous tutorials about CSS. Some are aimed at complete beginners, while others present complex features to be used by more experienced users.
    233 CSS animated properties CSS
    This page lists all CSS properties and indicates if and how they are animatable.
    234 CSS descriptor definition CSS, CSS Reference, CSS Référence
    No summary!
    235 CSS documentation index CSS
    Found 582 pages:
    236 CSS percentage values CSS
    This page lists all CSS properties and indicates on the meaning of percentages value for each of them.
    237 CSS reference CSS, CSS Reference, CSS Référence
    This CSS Reference lists all standard CSS properties, pseudo-classes and pseudo-elements, @-rules, units, and selectors in alphabetic order.
    238 ::backdrop CSS, CSS Pseudo-element, Full-screen, Layout, NeedsContent, Pseudo-element, Reference, Référence, Web
    Each element in the top layer's stack has a ::backdrop pseudo-element. This pseudo-element is a box rendered immediately below the element (and above the element below the element in the stack, if any), within the same top layer.
    239 :in-range CSS, CSS Pseudo-class, CSS Reference, CSS Référence, Layout, Web
    The :in-range CSS pseudo-class matches when an element has its value attribute inside the specified range limitations for this element. It allows the page to give a feedback that the value currently defined using the element is inside the range limits.
    240 :read-only CSS, CSS Pseudo-class, Layout, Reference, Référence, Web
    The :read-only CSS pseudo-class matches when an element is not writable by the user.
    241 <shape-box> CSS, CSS Data Type, CSS Shapes, Reference, Référence
    Shapes can be specified for shape-outside with a <shape-box> type, which is a reference to edges in the CSS Box Model.
    242 @viewport CSS, CSS At-rule, Mobile, NeedsContent, NeedsExample, Reference, Référence, Web
    The @viewport CSS at-rule contains a set of nested descriptors in a CSS block that is delimited by curly braces. These descriptors control viewport settings, primarily on mobile devices.
    243 max-zoom CSS, CSS Descriptor, Graphics, Layout, NeedsBrowserCompatibility, NeedsExample, Reference, Référence, Web
    The max-zoom CSS descriptor sets the maximum zoom factor of a document defined by @viewport. The browser will not zoom in any further than this, whether automatically or at the user's request.
    244 min-zoom CSS, CSS Descriptor, Graphics, Layout, Mobile, NeedsBrowserCompatibility, NeedsExample, Reference, Référence, Web
    The min-zoom CSS descriptor sets the minimum zoom factor of a document defined via @viewport. The browser will not zoom out any further than this, whether automatically or at the user's request.
    245 orientation CSS, CSS Descriptor, Graphics, Layout, NeedsBrowserCompatibility, NeedsExample, Reference, Réference, Référence, Web
    The orientation CSS descriptor controls the orientation of a document defined by @viewport.
    246 user-zoom CSS, CSS Descriptor, Graphics, Layout, NeedsBrowserCompatibility, NeedsExample, Reference, Référence, Web
    The user-zoom CSS descriptor controls whether or not the user should be able to change the zoom factor of a document defined by @viewport.
    247 zoom CSS, CSS Descriptor, Graphics, Layout, NeedsBrowserCompatibility, NeedsExample, Reference, Référence, Web
    The zoom CSS Descriptor sets the initial zoom factor of a document defined by @viewport.
    248 CSS Property Page Template CSS, CSS Reference, CSS Référence, MDC Project
    Description of the property. It must start by "The xyz CSS property" followed by a one-sentence description. The first paragraph of this introduction will be used by default as the description of the page.
    249 Mozilla CSS Extensions CSS, CSS Reference, CSS Référence, CSS:Mozilla Extensions
    Mozilla supports a number of extensions to CSS that are prefixed with -moz-.
    250 WebKit extensions CSS, CSS Reference, CSS Référence
    WebKit supports a number of extensions to CSS that are prefixed with -webkit. All -webkit prefixed properties also work with an -apple prefix.
    251 background-blend-mode CSS, CSS Compositing, CSS Property, CSS Reference, CSS Référence, Layout, Web
    The background-blend-mode CSS property describes how the element's background images should blend with each other and the element's background color.
    252 line-break CSS, CSS Text, NeedsExample, Reference, Référence
    The line-break CSS property is used to specify how (or if) to break lines.
    253 mix-blend-mode CSS, CSS Compositing, CSS Property, CSS Reference, CSS Référence, Layout, Web
    The mix-blend-mode CSS property describes how an element content should blend with the content of the element that is below it and the element's background.
    254 overflow-clip-box CSS, CSS Property, CSS Reference, CSS Référence, Non-standard, Reference, Référence, Web
    The overflow-clip-box CSS property specifies relative to which box the clipping happens when there is an overflow.
    255 shape-outside CSS, CSS Shapes, Property
    The shape-outside CSS property uses shape values to define the float area for a float and will cause inline content to wrap around the shape instead of the float's bounding box.
    256 CSS special properties CSS
    No summary!
    257 CSS values serialization CSS
    This page lists all CSS properties and indicates on which elements they have effects, how their computed values are calculated, and the canonical order to use when serializing values.
    258 CSS values syntax CSS, CSS Reference, CSS Référence
    No summary!
    259 CSS3 CSS, CSS Reference, CSS Référence, Intermediate
    CSS3 is the latest evolution of the Cascading Style Sheets language and aims at extending CSS2.1. It brings a lot of long-awaited novelties, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts.
    260 Cascade CSS
    The cascade is a fundamental feature of CSS. It is an algorithm defining how to combine properties values originating from different sources. It lays at the core of CSS as stressed by its name: Cascading Style Sheets.
    261 Child selectors Beginner, CSS, CSS Reference, CSS Référence, NeedsMobileBrowserCompatibility, Selectors
    The > combinator separates two selectors and matches only those elements matched by the second selector that are direct children of elements matched by the first. By contrast, when two selectors are combined with the descendant selector, the combined selector expression matches those elements matched by the second selector for which there exists an ancestor element matched by the first selector, regardless of the number of "hops" up the DOM.
    262 Class selectors Beginner, CSS, CSS Reference, CSS Référence, Selectors
    In an HTML document, CSS class selectors match an element based on the contents of the element's class attribute. The class attribute is defined as a space-separated list of items, and one of those items must match exactly the class name given in the selector.
    263 Comments Beginner, CSS, CSS Reference, CSS Référence
    Comments are used to add explanatory notes or prevent the browser from interpreting parts of the stylesheet.
    264 Common CSS questions CSS, Example, Guide, Web
    Browsers use the DOCTYPE declaration to choose whether to show the document using a mode that is more compatible with Web standards or with old browser bugs. Using a correct and modern DOCTYPE declaration at the start of your HTML will improve browser standards compliance.
    265 Computed value CSS, Guide, Web
    The computed value of a CSS property is computed from the specified value by:
    266 Descendant selectors Beginner, CSS, CSS Reference, CSS Référence, Selectors
    The combinator (that's meant to represent a space, or more properly one or more whitespace characters) combines two selectors such that the combined selector matches only those elements matching the second selector for which there is an ancestor element matching the first selector. Descendant selectors are similar to child selectors, but they do not require that the relationship between matched elements be strictly parent-child.
    267 Draft Implementations of CSS Features CSS
    Mozilla supports a number of extensions to CSS that are prefixed with -moz-. The following list contains all Mozilla extensions that are implementations of features that are being standardized by the W3C. Proprietary features are omitted.
    268 FAQ Beginner, CSS, NeedsContent, NeedsHelp
    No summary!
    269 General sibling selectors Beginner, CSS, CSS Reference, CSS Référence, NeedsMobileBrowserCompatibility, Selectors
    The ~ combinator separates two selectors and matches the second element only if it is preceded by the first, and both share a common parent.
    270 ID selectors Beginner, CSS, CSS Reference, CSS Référence, Selectors
    In an HTML document, CSS ID selectors match an element based on the contents of that element's ID attribute, which must match exactly the value given in the selector.
    271 Layout mode CSS
    A CSS layout mode, sometimes abbreviated as layout, is an algorithm determining the position and the size of boxes based on the way they interact with their sibling and ancestor boxes. There are several of them:
    272 List of Proprietary CSS Features CSS, NeedsContent
    This list includes proprietary extensions to CSS in different browser engines which are not experimental implementations of features being standardized (see Draft Implementations of CSS Features for a list of these).
    273 Margin collapsing CSS, Guide, Web
    Top and bottom margins of blocks are sometimes combined (collapsed) into a single margin whose size is the largest of the margins combined into it, a behavior known as margin collapsing.
    274 Mozilla CSS support chart CSS, CSS Reference, CSS Référence
    This page lists supported CSS selectors, properties, @-rules, Media queries and values in alphabetical order.
    275 Other Resources CSS
    No summary!
    276 Paged Media CSS, CSS3, Page Breaks
    Paged media properties control the presentation of content for print or any other media that splits content into discrete pages. It allows you to set page breaks, control printable area, style left and right pages differently, and control breaks inside elements. Popularly supported properties include
    277 Privacy and the :visited selector CSS, Security
    Historically, the CSS :visited selector has been a way for sites to query the user's history, by using getComputedStyle() or other techniques to walk through the user's history to figure out what sites the user has visited. This can be done quickly, and makes it possible not only to determine where the user has been on the web, but can also be used to guess a lot of information about a user's identity.
    278 Pseudo-classes CSS, CSS Reference, CSS Référence, Intermediate, Selectors
    A CSS pseudo-class is a keyword added to selectors that specifies a special state of the element to be selected. For example :hover will apply a style when the user hovers over the element specified by the selector.
    279 Pseudo-elements Beginner, CSS, CSS Reference, CSS Référence, Selectors
    Just like pseudo-classes, pseudo-elements are added to selectors but instead of describing a special state, they allow you to style certain parts of a document. For example, the ::first-line pseudo-element targets only  the first line of an element specified by the selector.
    280 Replaced element CSS, CSS Reference, CSS Référence
    Editorial review completed.
    281 Resolved value CSS
    The resolved value of a CSS property is the value returned by getComputedStyle(). For most properties, it is the computed value, but for a few legacy properties (including width and height), it is instead the used value. See the specification link below for more per-property details.
    282 Scaling of SVG backgrounds Background, CSS, Guide, Images, SVG
    Given the flexibility of SVG images, there's a lot to keep in mind when using them as background images with the background-image property, and even more to keep in mind when also scaling them using the background-size property. This article describes how scaling of SVG images is handled when using these properties.
    283 Shorthand properties CSS, Guide, Web
    Shorthand properties are CSS properties that let you set the values of several other CSS properties simultaneously. Using a shorthand property, a Web developer can write more concise and often more readable style sheets, saving time and energy.
    284 Specificity Beginner, CSS, Example, Guide, NeedsLiveSample, Web
    Editorial review completed.
    285 Syntax Beginner, CSS, Guide, Web
    The basic goal of the Cascading Stylesheet (CSS) language is to allow a browser engine to paint elements of the page with specific features, like colors, positioning, or decorations. The CSS syntax reflects this goal and its basic building blocks are:
    286 Tools CSS, NeedsContent
    CSS offers a number of powerful features that can be tricky to use, or have a number of parameters that it's helpful to be able to visualize while you work. This page offers links to a number of useful tools that will help you build the CSS to style your content using these features.
    287 Border-image generator CSS, Tools
    This tool can be used to generate CSS3 border-image values.
    288 Border-radius generator CSS, Tools
    This tool can be used to generate CSS3 border-radius effects.
    289 Box-shadow generator CSS3, Tools, box-shadow
    This tool lets you construct CSS box-shadow effects, to add box shadow effects to your CSS objects.
    290 ColorPicker CSS, Tools
    This tool lets you define custom web colors.
    291 Cubic Bezier Generator CSS, Tools
    This is a sample tool; it lets you edit Bezier curves. This is not really yet a useful tool, but will be!
    292 Linear-gradient Generator CSS, Tools
    This tool can be used to create custom CSS3 linear-gradient backgrounds.
    293 Type selectors Beginner, CSS, CSS Reference, CSS Référence, Selectors
    CSS type selectors match elements by node name. Used alone, therefore, a type selector for a particular node name selects all elements of that type — that is, with that node name — in the document.
    294 Universal selectors Beginner, CSS, CSS Reference, CSS Référence, Selectors
    An Asterisk (*) is the universal selector for CSS. It matches a single element of any type. Omitting the asterisk with simple selectors has the same effect. For instance, *.warning and .warning are considered equal.
    295 Using CSS variables CSS
    CSS Variables are entities defined by authors, or users, of Web pages to contain specific values throughout a document. They are set using custom properties and are accessed using a specific functional notation var().
    296 Value definition syntax Beginner, CSS, CSS Reference, CSS Référence
    No summary!
    297 actual value CSS, Guide, Web
    The actual value of a CSS property is the used value after all approximations have been applied. For example; a user agent may only be able to render borders with a integer pixel value and may be forced to approximate the computed width of the border.
    298 alias CSS
    The alias cursor value is used to indicate an alias or shortcut to something that is to be created. The alias cursor is often rendered as an arrow with a small curved arrow next to it.
    299 align-content CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS align-content property aligns a flex container's lines within the flex container when there is extra space on the cross-axis. This property has no effect on single line flexible boxes.
    300 align-items CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS align-items property aligns flex items of the current flex line the same way as justify-content but in the perpendicular direction.
    301 align-self CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The align-self CSS property aligns flex items of the current flex line overriding the align-items value. If any of the flex item's cross-axis margin is set to auto, then align-self is ignored.
    302 all CSS, CSS Cascade, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The CSS all shorthand property resets all properties, apart from unicode-bidi and direction, to their initial or inherited value.
    303 animation CSS, CSS Animations, CSS Property, CSS3, Layout, Reference, Référence, Web
    The animation CSS property is a shorthand property for animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode and animation-play-state.
    304 animation-delay CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, Reference, Réference, Référence, Web
    The animation-delay CSS property specifies when the animation should start. This lets the animation sequence begin some time after it's applied to an element.
    305 animation-direction CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The animation-direction CSS property indicates whether the animation should play in reverse on alternate cycles.
    306 animation-duration CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, Reference, Réference, Référence, Web
    The animation-duration CSS property specifies the length of time that an animation should take to complete one cycle.
    307 animation-fill-mode CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The animation-fill-mode CSS property specifies how a CSS animation should apply styles to its target before and after it is executing.
    308 animation-iteration-count CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The animation-iteration-count CSS property defines the number of times an animation cycle should be played before stopping.
    309 animation-name CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The animation-name CSS property specifies a list of animations that should be applied to the selected element. Each name indicates a @keyframes at-rule that defines the property values for the animation sequence.
    310 animation-play-state CSS, CSS Animations, CSS Property, Experimental, Expérimental, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The animation-play-state CSS property determines whether an animation is running or paused. This query can be queried to determine whether or not the animation is currently running. In addition, its value can be set to pause and resume playback of an animation.
    311 animation-timing-function CSS, CSS Animations, CSS Property, Layout, Reference, Réference, Référence, Web
    The CSS animation-timing-function property specifies how a CSS animation should progress over the duration of each cycle. The possible values are one or several <timing-function>.
    312 attr CSS, CSS Function, Layout, Reference, Référence, Web
    The attr() CSS function is used to retrieve the value of an attribute of the selected element and use it in the style sheet. It can be used on pseudo-elements too and, in this case, the value of the attribute on the pseudo-element's originated element is returned.
    313 aural CSS, CSS Reference, CSS Référence
    A media group defined by the CSS standards.
    314 azimuth CSS, CSS Reference, CSS Référence, NeedsBrowserCompatibility, NeedsMobileBrowserCompatibility, NeedsUpdate
    In combination with elevation, azimuth enables different audio sources to be positioned spatially for aural presentation. This is important in that it provides a natural way to tell several voices apart, as each can be positioned to originate at a different location on the sound stage. Stereo output produce a lateral sound stage, while binaural headphones and multi-speaker setups allow for a fully three-dimensional stage.
    315 backface-visibility CSS, CSS Property, CSS Transforms, Graphics, Layout, Reference, Réference, Référence, Web
    The CSS backface-visibility property determines whether or not the back face of the element is visible when facing the user. The back face of an element always is a transparent background, letting, when visible, a mirror image of the front face be displayed.
    316 background CSS, CSS Background, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    The background CSS property is a shorthand for setting the individual background values in a single place in the style sheet. background can be used to set the values for one or more of: background-clip, background-color, background-image, background-origin, background-position, background-repeat, background-size, and background-attachment.
    317 background-attachment CSS, CSS Background, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    If a background-image is specified, the background-attachment CSS property determines whether that image's position is fixed within the viewport, or scrolls along with its containing block.
    318 background-clip CSS, CSS Background, CSS Property, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The background-clip CSS property specifies whether an element's background, either the color or image, extends underneath its border.
    319 background-color CSS, CSS Background, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    The background-color CSS property sets the background color of an element, either through a color value or the keyword transparent.
    320 background-image CSS, CSS Background, CSS Property, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The CSS background-image property sets one or several background images for an element. The images are drawn on stacking context layers on top of each other. The first layer specified is drawn as if it is closest to the user.
    321 background-origin CSS, CSS Background, CSS Property, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The background-origin CSS property determines the background positioning area, that is the position of the origin of an image specified using the background-image CSS property.
    322 background-position CSS, CSS Background, CSS Property, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The background-position CSS property sets the initial position, relative to the background position layer defined by background-origin for each defined background image.
    323 background-repeat CSS, CSS Background, CSS Property, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The background-repeat CSS property defines how background images are repeated. A background image can be repeated along the horizontal axis, the vertical axis, both axes, or not repeated at all.
    324 background-size CSS, CSS Background, CSS Property, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The background-size CSS property specifies the size of the background images. The size of the image can be fully constrained or only partially in order to preserve its intrinsic ratio.
    325 bleed CSS, CSS Reference, CSS Référence, NeedsCompatTable, NeedsExample, Reference, Référence
    This property specifies the extent of the page bleed area outside the page box. This property only has effect if crop marks are enabled using the marks property.
    326 block-size CSS, CSS Logical Property, CSS Property, Layout, Reference, Réference, Référence, Web
    The block-size CSS property defines the horizontal or vertical size of an element's block depending on it's writing mode. It corresponds to the width or the height property depending on the value defined for writing-mode.
    327 border CSS, CSS Borders, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The border CSS property is a shorthand property for setting the individual border property values in a single place in the style sheet. border can be used to set the values for one or more of: border-width, border-style, border-color.
    328 border-block-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-end CSS property is a shorthand property for setting the individual logical block end border property values in a single place in the style sheet. border-block-end can be used to set the values for one or more of: border-block-end-width, border-block-end-style, border-block-end-color. It maps to a physical border depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-topborder-rightborder-bottom, or border-left property depending on the values defined for writing-mode, direction, and text-orientation.
    329 border-block-end-color CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-end-color CSS property defines the color of the logical block end border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-colorborder-right-colorborder-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
    330 border-block-end-style CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-end-style CSS property defines the style of the logical block end border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-styleborder-right-styleborder-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
    331 border-block-end-width CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-end-width CSS property defines the width of the logical block end border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-widthborder-right-widthborder-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
    332 border-block-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-start CSS property is a shorthand property for setting the individual logical block start border property values in a single place in the style sheet. border-block-start can be used to set the values for one or more of: border-block-start-width, border-block-start-style, border-block-start-color. It maps to a physical border depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-topborder-rightborder-bottom, or border-left property depending on the values defined for writing-mode, direction, and text-orientation.
    333 border-block-start-color CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-start-color CSS property defines the color of the logical block start border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-colorborder-right-colorborder-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
    334 border-block-start-style CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-start-style CSS property defines the style of the logical block start border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-styleborder-right-styleborder-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
    335 border-block-start-width CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-block-start-width CSS property defines the width of the logical block start border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-widthborder-right-widthborder-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
    336 border-bottom CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-bottom CSS property is a shorthand that sets the values of border-bottom-color, border-bottom-style, and border-bottom-width. These properties describe the bottom border of elements.
    337 border-bottom-color CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-bottom-color CSS property sets the color of the bottom border of an element. Note that in many cases the shorthand CSS properties border-color or border-bottom are more convenient and preferable.
    338 border-bottom-left-radius CSS, CSS Borders, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The border-bottom-left-radius CSS property sets the rounding of the bottom-left corner of the element. The rounding can be a circle or an ellipse, or if one of the value is 0 no rounding is done and the corner is square.
    339 border-bottom-right-radius CSS, CSS Borders, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The border-bottom-right-radius CSS property sets the rounding of the bottom-right corner of the element. The rounding can be a circle or an ellipse, or if one of the value is 0 no rounding is done and the corner is square.
    340 border-bottom-style CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-bottom-style CSS property sets the line style of the bottom border of a box.
    341 border-bottom-width CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-bottom-width CSS property sets the width of the bottom border of a box.
    342 border-collapse CSS, CSS Borders, CSS Property, CSS Tables, Layout, Reference, Réference, Référence, Web
    The border-collapse CSS property determines whether a table's borders are separated or collapsed. In the separated model, adjacent cells each have their own distinct borders. In the collapsed model, adjacent table cells share borders.
    343 border-color CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-color CSS property is a shorthand for setting the color of the four sides of an element's border: border-top-color, border-right-color, border-bottom-color, border-left-color
    344 border-image CSS, CSS Borders, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    The border-image CSS property allows drawing an image on the borders of elements. This makes drawing complex looking widgets much simpler than it has been and removes the need for nine boxes in some cases. The border-image is used instead of the border styles given by the border-style properties.
    345 border-image-outset CSS, CSS Borders, CSS Property, Graphics, Layout, NeedsExample, Reference, Réference, Référence, Web
    The border-image-outset property describes by what amount the border image area extends beyond the border box.
    346 border-image-repeat CSS, CSS Borders, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    The border-image-repeat CSS property defines how the middle part of a border image is handled so that it can match the size of the border. It has a one-value syntax that describes the behavior of all the sides, and a two-value syntax that sets a different value for the horizontal and vertical behavior.
    347 border-image-slice CSS, CSS Borders, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    The border-image-slice CSS property divides the image specified by border-image-source in nine regions: the four corners, the four edges and the middle. It does this by specifying 4 inwards offsets.
    348 border-image-source CSS, CSS Borders, CSS Property, Graphics, Layout, Reference, Réference, Référence, Web
    The border-image-source CSS property defines the <image> to use instead of the style of the border. If this property is set to none, the style defined by border-style is used instead.
    349 border-image-width CSS, CSS Borders, CSS Property, Graphics, Layout, NeedsLiveSample, Reference, Réference, Référence, Web
    The border-image-width CSS property defines the width of the border. If specified, it overrides the border-width property.
    350 border-inline-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-end CSS property is a shorthand property for setting the individual logical inline end border property values in a single place in the style sheet. border-inline-end can be used to set the values for one or more of: border-inline-end-width, border-inline-end-style, border-inline-end-color. It maps to a physical border depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-topborder-rightborder-bottom, or border-left property depending on the values defined for writing-mode, direction, and text-orientation.
    351 border-inline-end-color CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-end-color CSS property defines the color of the logical inline end border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-colorborder-right-colorborder-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
    352 border-inline-end-style CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-end-style CSS property defines the style of the logical inline end border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-styleborder-right-styleborder-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
    353 border-inline-end-width CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-end-width CSS property defines the width of the logical inline end border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-widthborder-right-widthborder-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
    354 border-inline-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-start CSS property is a shorthand property for setting the individual logical inline start border property values in a single place in the style sheet. border-inline-start can be used to set the values for one or more of: border-inline-start-width, border-inline-start-style, border-inline-start-color. It maps to a physical border depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-topborder-rightborder-bottom, or border-left property depending on the values defined for writing-mode, direction, and text-orientation.
    355 border-inline-start-color CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The border-inline-start-color CSS property defines the color of the logical inline start border of an element, which maps to a physical border color depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-colorborder-right-colorborder-bottom-color, or border-left-color property depending on the values defined for writing-mode, direction, and text-orientation.
    356 border-inline-start-style CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-start-style CSS property defines the style of the logical inline start border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-styleborder-right-styleborder-bottom-style, or border-left-style property depending on the values defined for writing-mode, direction, and text-orientation.
    357 border-inline-start-width CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Réference, Référence, Web
    The border-inline-start-width CSS property defines the width of the logical inline start border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-widthborder-right-widthborder-bottom-width, or border-left-width property depending on the values defined for writing-mode, direction, and text-orientation.
    358 border-left CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-left CSS property is a shorthand that sets the values of border-left-color, border-left-style, and border-left-width. These properties describe the left border of elements.
    359 border-left-color CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-left-color CSS property sets the color of the bottom border of an element. Note that in many cases the shorthand CSS properties border-color or border-left are more convenient and preferable.
    360 border-left-style CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-left-style CSS property sets the line style of the left border of a box.
    361 border-left-width CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-left-width CSS property sets the width of the left border of a box.
    362 border-radius CSS, CSS Borders, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The border-radius CSS property allows Web authors to define how rounded border corners are. The curve of each corner is defined using one or two radii, defining its shape: circle or ellipse.
    363 border-right CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-right CSS property is a shorthand that sets the values of border-right-color, border-right-style, and border-right-width. These properties describe the right border of elements.
    364 border-right-color CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-right-color CSS property sets the color of the right border of an element. Note that in many cases the shorthand CSS properties  border-color or border-right are more convenient and preferable.
    365 border-right-style CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-right-style CSS property sets the line style of the right border of a box.
    366 border-right-width CSS, CSS Borders, CSS Property, Layout, Reference, Référence, Web
    The border-right-width CSS property sets the width of the right border of a box.
    367 border-spacing CSS, CSS Property, CSS Tables, Layout, Reference, Réference, Référence, Web
    The border-spacing CSS property specifies the distance between the borders of adjacent table cells (only for the separated borders model). This is equivalent to the cellspacing attribute in presentational HTML, but an optional second value can be used to set different horizontal and vertical spacing.
    368 border-style CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-style property is a shorthand property for setting the line style for all four sides of the elements border.
    369 border-top CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-top CSS property is a shorthand that sets the values of border-top-color, border-top-style, and border-top-width. These properties describe the top border of elements.
    370 border-top-color CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-top-color CSS property sets the color of the top border of an element. Note that in many cases the shorthand CSS properties border-color or border-top are more convenient and preferable.
    371 border-top-left-radius CSS, CSS Borders, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The border-top-left-radius CSS property sets the rounding of the top-left corner of the element. The rounding can be a circle or an ellipse, or if one of the value is 0,no rounding is done and the corner is square.
    372 border-top-right-radius CSS, CSS Borders, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The border-top-right-radius CSS property sets the rounding of the top-right corner of the element. The rounding can be a circle or an ellipse, or if one of the value is 0 no rounding is done and the corner is square.
    373 border-top-style CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-top-style CSS property sets the line style of the top border of a box.
    374 border-top-width CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-top-width CSS property sets the width of the top border of a box.
    375 border-width CSS, CSS Borders, CSS Property, Layout, Reference, Réference, Référence, Web
    The border-width property sets the width of the border of a box. Using the shorthand property border is often more convenient.
    376 bottom CSS, CSS Positioning, CSS Property, Reference, Réference, Référence
    The bottom CSS property participates in specifying the position of positioned elements.
    377 box-align CSS, NeedsUpdate, Reference, Référence
    The CSS box-align property specifies how an element aligns its contents across (perpendicular to) the direction of its layout. The effect of this is only visible if there is extra space in the box. See Flexbox for more about the properties of flexbox elements.
    378 box-decoration-break CSS, CSS Fragmentation, CSS Property, Experimental, Expérimental, Layout, Reference, Référence, Web
    The box-decoration-break CSS property specifies how the background, padding, border, border-image, box-shadow, margin and clip of an element is applied when the box for the element is fragmented.  Fragmentation occurs when an inline box wraps onto multiple lines, or when a block spans more than one column inside a column layout container, or spans a page break when printed.  Each piece of the rendering for the element is called a fragment.
    379 box-direction CSS, NeedsUpdate, Reference, Référence
    The CSS box-direction property specifies whether a box lays out its contents normally (from the top or left edge), or in reverse (from the bottom or right edge). See Flexbox for more about the properties of flexbox elements.
    380 box-flex-group CSS
    The CSS box-flex-group property assigns the flexbox's child elements to a flex group. See Flexbox for more about the properties of flexbox elements.
    381 box-lines CSS
    The CSS box-lines property determines whether the box may have a single or multiple lines (rows for horizontally oriented boxes, columns for vertically oriented boxes). See Flexbox for more about the properties of flexbox elements.
    382 box-ordinal-group CSS
    The CSS box-ordinal-group property assigns the flexbox's child elements to an ordinal group. See Flexbox for more about the properties of flexbox elements.
    383 box-orient CSS, NeedsUpdate, Reference, Référence
    The CSS box-orient property specifies whether an element lays out its contents horizontally or vertically. See Flexbox for more about the properties of flexbox elements.
    384 box-shadow CSS, CSS Background, CSS Property, CSS3, Graphics, Layout, Reference, Réference, Référence, Web, css3-background
    The box-shadow property describes one or more shadow effects as a comma-separated list.
    385 box-sizing CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    The box-sizing property is used to alter the default CSS box model used to calculate widths and heights of elements. It is possible to use this property to emulate the behavior of browsers that do not correctly support the CSS box model specification.
    386 box-suppress CSS, CSS Display, CSS Property, Graphics, Layout, NeedsExample, Reference, Référence, Web
    Technical review completed.
    387 break-after CSS, CSS Fragmentation, CSS Property, Layout, Reference, Réference, Référence
    The break-after CSS property describes how the page, column or region break behavior after the generated box. If there is no generated box, the property is ignored.
    388 break-before CSS, CSS Fragmentation, CSS Property, Layout, Reference, Réference, Référence, Web
    The break-before CSS property describes how the page, column or region break behavior before the generated box. If there is no generated box, the property is ignored.
    389 break-inside CSS, CSS Fragmentation, CSS Property, Layout, Reference, Réference, Référence, Web
    The break-inside CSS property describes how the page, column or region break inside the generated box. If there is no generated box, the property is ignored.
    390 calc CSS, CSS Function, Layout, Reference, Réference, Référence, Web
    The calc() CSS function can be used anywhere a <length>, <frequency>, <angle>, <time>, <number>, or <integer> is required. With calc(), you can perform calculations to determine CSS property values.
    391 caption-side CSS, CSS Property, CSS Tables, Layout, NeedsBrowserCompatibility, Reference, Réference, Référence, Web
    The caption-side CSS property positions the content of a table's <caption> on the specified side.
    392 clear CSS, CSS Positioning, CSS Property, NeedsLiveSample, Reference, Réference, Référence
    The clear CSS property specifies whether an element can be next to floating elements that precede it or must be moved down (cleared) below them. The clear property applies to both floating and non-floating elements.
    393 clip CSS, CSS Property, Deprecated, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The clip CSS property defines what portion of an element is visible. The clip property applies only to absolutely positioned elements, that is elements with position:absolute or position:fixed.
    394 clip-path CSS, Layout, NeedsBrowserCompatibility, Reference, Réference, Référence, Web
    The clip-path property prevents a portion of an element from drawing by defining a clipping region.
    395 color CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    The color property sets the foreground color of an element's text content, and its decorations. It doesn't affect any other characteristic of the element; it should really be called text-color and would have been named so, save for historical reasons and its appearance in CSS Level 1.
    396 column-count CSS, CSS Multi-columns, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The column-count CSS property describes the number of columns of the element.
    397 column-fill CSS, CSS Multi-columns, CSS Property, Layout, NeedsBrowserCompatibility, Reference, Réference, Référence, Web
    The column-fill CSS property controls how contents are partitioned into columns. Contents are either balanced, which means that contents in all columns will have the same height or, when using auto, just take up the room the content needs.
    398 column-gap CSS, CSS Multi-columns, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The column-gap CSS property sets the size of the gap between columns for elements which are specified to display as a multi-column element.
    399 column-rule CSS, CSS Multi-columns, CSS Property, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    In multi-column layouts, the column-rule CSS property specifies a straight line, or "rule", to be drawn between each column. It is a convenient shorthand to avoid setting each of the individual column-rule-* properties separately : column-rule-width, column-rule-style and column-rule-color.
    400 column-rule-color CSS, CSS Multi-columns, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The column-rule-color CSS property lets you set the color of the rule drawn between columns in multi-column layouts.
    401 column-rule-style CSS, CSS Multi-columns, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The column-rule-style CSS property lets you set the style of the rule drawn between columns in multi-column layouts.
    402 column-rule-width CSS, CSS Multi-columns, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The column-rule-width CSS property lets you set the width of the rule drawn between columns in multi-column layouts.
    403 column-span CSS, CSS Multi-columns, CSS Property, Layout, Reference, Réference, Référence, Web
    The column-span CSS property makes it possible for an element to span across all columns when its value is set to all. An element that spans more than one column is called a spanning element.
    404 column-width CSS, CSS Multi-columns, CSS Property, Layout, Reference, Réference, Référence, Web
    The column-width CSS property suggests an optimal column width. This is not a absolute value but a mere hint. Browser will adjust the width of the column around that suggested value, allowing to achieve scalable designs that fit different screen size. Especially in presence of the column-count CSS property which has precedence, to set an exact column width, all length values must be specified. In horizontal text these are width, column-width, column-gap, and column-rule-width.
    405 columns CSS, CSS Multi-columns, CSS Property, Layout, Reference, Réference, Référence, Web
    The columns CSS property is a shorthand property allowing to set both the column-width and the column-count properties at the same time.
    406 content CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    The content CSS property is used with the ::before and ::after pseudo-elements to generate content in an element. Objects inserted using the content property are anonymous replaced elements.
    407 counter-increment CSS, CSS List, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The counter-increment CSS property is used to increase the value of CSS Counters by a given value. The counter's value can be reset using the counter-reset CSS property.
    408 counter-reset CSS, CSS List, CSS Property, Layout, NeedsHelp, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The counter-reset CSS property is used to reset CSS Counters to a given value.
    409 cursor CSS, CSS Property, Cursor, Layout, NeedsBrowserCompatibility, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The cursor CSS property specifies the mouse cursor displayed when the mouse pointer is over an element.
    410 Using URL values for the cursor property CSS, Gecko, Reference, Référence
    Gecko 1.8 (Firefox 1.5, SeaMonkey 1.0) supports URL values for the CSS cursor property on Windows and Linux. Mac support was added in Gecko 2 (Firefox 4). This allows specifying arbitrary images as mouse cursors — any image format supported by Gecko can be used.
    411 direction CSS, CSS Property, Layout, Reference, Référence, Web
    Set the direction CSS property to match the direction of the text: rtl for languages written from right-to-left (like Hebrew or Arabic) text and ltr for other scripts. This is typically done as part of the document (e.g., using the dir attribute in HTML) rather than through direct use of CSS.
    412 display CSS, CSS Positioning, CSS Property, NeedsMobileBrowserCompatibility, Reference, Réference, Référence
    The display property specifies the type of rendering box used for an element. In HTML, default display property values are taken from behaviors described in the HTML specifications or from the browser/user default stylesheet. The default value in XML is inline.
    413 display-inside CSS, CSS Display, CSS Property, Graphics, Layout, NeedsExample, Reference, Référence, Web
    The display-inside CSS property specifies the inner display type of the box generated by an element, dictating how its contents lay out inside the box.
    414 display-list CSS, CSS Display, CSS Property, Graphics, Layout, NeedsExample, Reference, Référence, Web
    The display-list CSS property specifies whether a list marker should be displayed for an element.
    415 display-outside CSS, CSS Display, CSS Property, Graphics, Layout, NeedsExample, Reference, Référence, Web
    The display-outside CSS property specifies the outer display type of the box generated by an element, dictating how the element participates in its parent formatting context.
    416 element CSS, CSS Function, CSS4-images, Layout, Reference, Référence, Web
    The element() CSS function defines an <image> value generated from an arbitrary HTML element. This image is live, meaning that if the HTML element is changed, the CSS properties using the resulting value are automatically updated.
    417 empty-cells CSS, CSS Property, CSS Tables, Graphics, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The empty-cells CSS property specifies how user agents should render borders and backgrounds around cells that have no visible content.
    418 filter CSS, CSS Property, Graphics, Layout, Reference, Référence, SVG, SVG Filter, Web
    The CSS filter property provides for effects like blurring or color shifting on an element’s rendering before the element is displayed. Filters are commonly used to adjust the rendering of an image, a background, or a border.
    419 flex CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Réference, Référence, Web
    The flex CSS property is a shorthand property specifying the ability of a flex item to alter its dimensions to fill available space. Flex items can be stretched to use available space proportional to their flex grow factor or their flex shrink factor to prevent overflow.
    420 flex-basis CSS, CSS Flexible Boxes, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The CSS flex-basis property specifies the flex basis which is the initial main size of a flex item. The property determines the size of the content-box unless specified otherwise using box-sizing.
    421 flex-direction CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS flex-direction property specifies how flex items are placed in the flex container defining the main axis and the direction (normal or reversed).
    422 flex-flow CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Réference, Référence, Web
    The CSS flex-flow property is a shorthand property for flex-direction and flex-wrap individual properties.
    423 flex-grow CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS flex-grow property specifies the flex grow factor of a flex item.
    424 flex-shrink CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS flex-shrink property specifies the flex shrink factor of a flex item.
    425 flex-wrap CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS flex-wrap property specifies whether the children are forced into a single line or if the items can be flowed on multiple lines.
    426 float CSS, CSS Positioning, CSS Property, Reference, Référence
    The float CSS property specifies that an element should be taken from the normal flow and placed along the left or right side of its container, where text and inline elements will wrap around it. A floating element is one where the computed value of float is not none.
    427 font CSS, CSS Fonts, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The font CSS property is either a shorthand property for setting font-style, font-variant, font-weight, font-size, line-height and font-family, or a way to set the element's font to a system font, using specific keywords.
    428 font-family CSS, CSS Fonts, CSS Property, Layout, Reference, Réference, Référence, Web
    The font-family CSS property lets you specify a prioritized list of font family names and/or generic family names for the selected element. Values are separated by a comma to indicate that they are alternatives. The browser will select the first font on the list that is installed on the computer or that can be downloaded using a @font-face at-rule.
    429 font-feature-settings CSS, CSS Fonts, CSS Property, Layout, Reference, Réference, Référence, Web
    The font-feature-settings CSS property gives you control over advanced typographic features in OpenType fonts.
    430 font-kerning CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-kerning CSS property controls the usage of the kerning information; that is, it controls how letters are spaced. The kerning information is stored in the font, and if the font is well-kerned, this feature allows spacing between characters to be very similar, whatever the characters are.
    431 font-language-override CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-language-override CSS property controls the usage of language-specific glyphs in a typeface.
    432 font-size CSS, CSS Fonts, CSS Property, Layout, Reference, Réference, Référence, Web
    The font-size CSS property specifies the size of the font. Setting the font size may, in turn, change the size of other items, since it is used to compute the value of em and ex length units.
    433 font-size-adjust CSS, CSS Fonts, CSS Property, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The font-size-adjust CSS property specifies that font size should be chosen based on the height of lowercase letters rather than the height of capital letters. This is useful since the legibility of fonts, especially at small sizes, is determined more by the size of lowercase letters than by the size of capital letters.
    434 font-smooth CSS, CSS Reference, CSS Référence
    The font-smooth CSS property controls the application of anti-aliasing when fonts are rendered.
    435 font-stretch CSS, CSS Fonts, CSS Property, Layout, Reference, Référence, Web
    The font-stretch CSS property selects a normal, condensed, or expanded face from a font.
    436 font-style CSS, CSS Fonts, CSS Property, Layout, Reference, Réference, Référence, Web
    The font-style CSS property lets you select italic or oblique faces within a font-family.
    437 font-synthesis CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-synthesis CSS property controls which missing typefaces, bold or italic, may be synthesized by the browser.
    438 font-variant CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-variant CSS property selects a normal, or small-caps face from a font family. Setting the CSS Level 2 (Revision 1) values of the  font-variant property, that is normal or small-caps, is also possible by using the font shorthand.
    439 font-variant-alternates CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Réference, Référence
    The font-variant-alternates CSS property controls the usage of alternate glyphs associated to alternative names defined in @font-feature-values.
    440 font-variant-caps CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-variant-caps CSS property controls the usage of alternate glyphs for capital letters. Scripts can have capital letter glyphs of different sizes, the normal uppercase glyphs, small capital glyphs, and petite capital glyphs. This property controls which alternate glyphs to use.
    441 font-variant-east-asian CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-variant-east-asian CSS property controls the usage of alternate glyphs for East Asian scripts, like Japanese and Chinese.
    442 font-variant-ligatures CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence, Web
    The font-variant-ligatures CSS property controls which ligatures and contextual forms are used in textual content of the elements it applies to. This leads to more harmonized forms in the resulting text.
    443 font-variant-numeric CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-variant-numeric CSS property controls the usage of alternate glyphs for numbers, fractions, and ordinal markers.
    444 font-variant-position CSS, CSS Fonts, CSS Property, CSS Reference, CSS Référence, Reference, Référence
    The font-variant-position CSS property controls the usage of alternate glyphs of smaller size positioned as superscript or subscript regarding the baseline of the font, which is set unchanged. These glyphs are likely to be used in <sub> and <sup> elements.
    445 font-weight CSS, CSS Fonts, CSS Property, Layout, Reference, Réference, Référence, Web
    The font-weight CSS property specifies the weight or boldness of the font. Some fonts are only available in normal and bold.
    446 frequency CSS, CSS Data Types, CSS Unit, Layout, Reference, Référence, Web
    The <frequency> CSS data types denotes a frequency dimension, like the pitch of a speaking voice. They consists of a <number> immediately followed by the unit. Like for any CSS dimension, there is no space between the unit literal and the number.
    447 height CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    The height CSS property specifies the height of the content area of an element. The content area is inside the padding, border, and margin of the element.
    448 hyphens CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    The hyphens CSS property tells the browser how to hyphenate words when line-wrapping. You can prevent hyphenation entirely, control when the browser should hyphenate, or let the browser control when to hyphenate.
    449 image-orientation CSS, CSS Image, CSS Property, Graphics, Layout, Reference, Référence, Web
    The image-orientation CSS property describes how to correct the default orientation of an image.
    450 image-rendering CSS, CSS Image, CSS Property, Graphics, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, SVG, Web
    The image-rendering CSS property provides a hint to the browser about the algorithm it should use to scale images. It applies to the element itself as well as any images supplied in other properties for the element. It has no effect on non-scaled images.
    451 ime-mode CSS, CSS Property, Layout, MakeBrowserAgnostic, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The ime-mode CSS property controls the state of the input method editor for text fields.
    452 inherit CSS, CSS Cascade, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The inherit CSS-value causes the element for which it is specified to take the computed value of the property from its parent element. It is allowed on every CSS property.
    453 inheritance CSS, Guide, Web
    The summary of every CSS property definition says whether that property is inherited by default ("Inherited: Yes") or not inherited by default ("Inherited: no"). This controls what happens when no value is specified for a property on an element.
    454 initial CSS, CSS Cascade, Layout, Reference, Référence, Web
    The initial CSS keyword applies the initial value of a property to an element. It is allowed on every CSS property and causes the element for which it is specified to use the initial value of the property.
    455 initial value CSS, Guide, Web
    The initial value given in the summary of the definition of each CSS property has different meaning for inherited and non-inherited properties.
    456 initial-letter CSS, CSS Property, Graphics, Layout, NeedsExample, NeedsLiveSample, Reference, Référence, Web
    The initial-letter CSS property specifies styling for dropped, raised, and sunken initial letters.
    457 initial-letter-align CSS, CSS Property, Graphics, Layout, NeedsExample, NeedsLiveSample, Property, Reference, Référence, Web
    The initial-letter-align CSS property specifies the alignment of initial letters within a paragraph.
    458 inline-size CSS, CSS Logical Property, CSS Property, Layout, Reference, Référence, Web
    The inline-size CSS property defines the horizontal or vertical size of an element's block depending on it's writing mode. It corresponds to the width or the height property depending on the value defined for writing-mode.
    459 isolation CSS, CSS Compositing, CSS Property, CSS Reference, CSS Référence, Layout, Web
    The isolation CSS property defines if the element must create a new stacking context.
    460 justify-content CSS, CSS Flexible Boxes, CSS Property, CSS3, Layout, Reference, Réference, Référence, Web
    The CSS justify-content property defines how the browser distributes space between and around flex items along the main-axis of their container.
    461 left CSS, CSS Positioning, CSS Property, Reference, Référence
    The left CSS property specifies part of the position of positioned elements.
    462 letter-spacing CSS, CSS Text, Layout, NeedsMobileBrowserCompatibility, Property, Reference, Réference, Référence, SVG, Web
    The letter-spacing CSS property specifies spacing behavior between text characters.
    463 line-height CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    On block level elements, the line-height property specifies the minimum height of line boxes within the element.
    464 linear-gradient() CSS, CSS Function, CSS Image, Graphics, Layout, NeedsNewCompatTable, Reference, Référence, Web
    The CSS linear-gradient() function creates an <image> which represents a linear gradient of colors. The result of this function is an object of the CSS <gradient> data type. Like any other gradient, a CSS linear gradient is not a CSS <color> but an image with no intrinsic dimensions; that is, it has neither natural or preferred size, nor ratio. Its concrete size will match the one of the element it applies to.
    465 list-style CSS, CSS List, CSS Property, Layout, NeedsLiveSample, Reference, Référence, Web
    The list-style CSS property is a shorthand property for setting list-style-type, list-style-image and list-style-position.
    466 list-style-image CSS, CSS List, CSS Property, Layout, NeedsLiveSample, Reference, Référence, Web
    The list-style-image CSS property sets the image that will be used as the list item marker.
    467 list-style-position CSS, CSS List, CSS Property, Layout, NeedsLiveSample, Reference, Référence, Web
    The list-style-position CSS property specifies the position of the marker box in the principal block box.
    468 list-style-type CSS, CSS List, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The list-style-type CSS property specifies appearance of a list item element. As it is the only one which defaults to display:list-item, this is usually a <li> element, but can be any element with this display value.
    469 margin CSS, CSS Property, Layout, NeedsLiveSample, Reference, Réference, Référence, Web
    The margin CSS property sets the margin for all four sides. It is a shorthand to avoid setting each side separately with the other margin properties: margin-top, margin-right, margin-bottom and margin-left.
    470 margin-block-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The margin-block-end CSS property defines the logical block end margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. It corresponds to the margin-topmargin-rightmargin-bottom, or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
    471 margin-block-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The margin-block-start CSS property defines the logical block start margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. It corresponds to the margin-topmargin-rightmargin-bottom, or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
    472 margin-bottom CSS, CSS Property, Layout, Reference, Référence, Web
    The margin-bottom CSS property of an element sets the margin space required on the bottom of an element. A negative value is also allowed.
    473 margin-inline-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The margin-inline-end CSS property defines the logical inline end margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. In other words, it corresponds to the margin-topmargin-rightmargin-bottom or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
    474 margin-inline-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The margin-inline-start CSS property defines the logical inline end margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. It corresponds to the margin-topmargin-rightmargin-bottom, or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
    475 margin-left CSS, CSS Property, Layout, Reference, Référence, Web
    The margin-left CSS property of an element sets the margin space required on the left side of a box associated with an element. A negative value is also allowed.
    476 margin-right CSS, CSS Property, Layout, Reference, Référence, Web
    The margin-right CSS property of an element sets the margin space required on the right side of an element. A negative value is also allowed.
    477 margin-top CSS, CSS Property, Layout, Reference, Référence, Web
    The margin-top CSS property of an element sets the margin space required on the top of an element. A negative value is also allowed.
    478 marker-offset CSS, NeedsBrowserCompatibility, NeedsContent, NeedsMobileBrowserCompatibility
    No summary!
    479 marks CSS, CSS Property, Layout, NeedsBrowserCompatibility, NeedsExample, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The marks CSS property adds crop and/or cross marks to the presentation of the document. Crop marks indicate where the page should be cut. Cross marks are used to align sheets.
    480 mask CSS, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, SVG, Web
    No summary!
    481 mask-type CSS, CSS Masks, CSS Property, Graphics, Layout, Reference, Référence, SVG, Web
    The CSS mask-type properties defines if a SVG <mask> element is a luminance or an alpha mask.
    482 max-block-size CSS, CSS Logical Property, CSS Property, Layout, Reference, Référence, Web
    The max-block-size CSS property defines the horizontal or vertical maximal size of an element's block depending on its writing mode. It corresponds to the max-width or the max-height property, depending on the value defined for writing-mode. If the writing mode is vertically oriented, the value of max-block-size relates to the maximal width of the element, otherwise it relates to the maximal height of the element. It relates to max-inline-size, which defines the other dimension of the element.
    483 max-height CSS, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The max-height property is used to set the maximum height of an element. It prevents the used value of the height property from becoming larger than the value specified for max-height.
    484 max-inline-size CSS, CSS Logical Property, CSS Property, Layout, Reference, Référence, Web
    The max-inline-size CSS property defines the horizontal or vertical maximal size of an element's block depending on its writing mode. It corresponds to the max-width or the max-height property depending on the value defined for writing-mode. If the writing mode is vertically oriented, the value of max-inline-size relates to the maximal height of the element, otherwise it relates to the maximal width of the element. It relates to max-block-size, which defines the other dimension of the element.
    485 max-width CSS, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The max-width property is used to set the maximum width of a given element. It prevents the used value of the width property from becoming larger than the value specified for max-width.
    486 min-block-size CSS, CSS Logical Property, CSS Property, Layout, Reference, Référence, Web
    The min-block-size CSS property defines the horizontal or vertical minimal size of an element's block depending on its writing mode. It corresponds to the min-width or the min-height property, depending on the value defined for writing-mode. If the writing mode is vertically oriented, the value of min-block-size relates to the minimal width of the element, otherwise it relates to the minimal height of the element. It relates to min-inline-size, which defines the other dimension of the element.
    487 min-height CSS, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The min-height property is used to set the minimum height of a given element. It prevents the used value of the height property from becoming smaller than the value specified for min-height.
    488 min-inline-size CSS, CSS Logical Property, CSS Property, Layout, Reference, Référence, Web
    The min-inline-size CSS property defines the horizontal or vertical minimal size of an element's block depending on its writing mode. It corresponds to the min-width or the min-height property, depending on the value defined for writing-mode. If the writing mode is vertically oriented, the value of min-inline-size relates to the minimal height of the element, otherwise it relates to the minimal width of the element. It relates to min-block-size, which defines the other dimension of the element.
    489 min-width CSS, CSS Box Model, CSS Property, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The min-width property is used to set the minimum width of a given element. It prevents the used value of the width property from becoming smaller than the value specified for min-width.
    490 object-fit CSS, CSS Image, CSS Property, Graphics, Layout, Reference, Référence, Web, polyfill
    The object-fit CSS property specifies how the contents of a replaced element should be fitted to the box established by its used height and width.
    491 object-position CSS, CSS Image, CSS Property, Graphics, Layout, Reference, Référence, Web
    The object-position property determines the alignment of the replaced element inside its box.
    492 offset-block-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The offset-block-end CSS property defines the logical block end offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
    493 offset-block-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web, junk
    The offset-inline-end CSS property defines the logical inline end offset of an element, which maps to a physical offset depending on the element's writing mode, directionality and text orientation. I.e. it corresponds to the toprightbottom or left property depending on the values defined for writing-mode, direction and text-orientation.
    494 offset-block-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The offset-block-start CSS property defines the logical block start offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
    495 offset-inline-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The offset-inline-end CSS property defines the logical inline end offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
    496 offset-inline-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The offset-inline-start CSS property defines the logical inline start offset of an element, which maps to a physical offset depending on the element's writing mode, directionality, and text orientation. It corresponds to the toprightbottom, or left property depending on the values defined for writing-mode, direction, and text-orientation.
    497 opacity CSS, CSS Property, CSS3, Graphics, Layout, Reference, Réference, Référence, Web, css3-color
    The opacity CSS property specifies the transparency of an element, that is, the degree to which the background behind the element is overlaid.
    498 order CSS, CSS Flexible Boxes, CSS Property, Layout, Reference, Référence, Web
    The CSS order property specifies the order used to lay out flex items in their flex container. Elements are laid out by ascending order of the order value. Elements with the same order value are laid out in the order they appear in the source code.
    499 orphans CSS, CSS Fragmentation, CSS Property, Layout, NeedsExample, Reference, Référence, Web
    The orphans CSS property refers to the minimum number of lines in a block container that must be left at the bottom of the page. This property is normally used to control how page breaks occur.
    500 outline CSS, CSS Outline, CSS Property, Layout, Reference, Référence, Web
    The CSS outline property is a shorthand property for setting one or more of the individual outline properties outline-style, outline-width and outline-color in a single declaration. In most cases the use of this shortcut is preferable and more convenient.
    501 outline-color CSS, CSS Outline, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The outline-color CSS property sets the color of the outline of an element. An outline is a line that is drawn around elements, outside the border edge, to make the element stand out.
    502 outline-offset CSS, CSS Outline, CSS Property, Layout, NeedsLiveSample, Reference, Référence, Web
    The outline-offset CSS property is used to set space between an outline and the edge or border of an element. An outline is a line that is drawn around elements, outside the border edge.
    503 outline-style CSS, CSS Outline, CSS Property, Layout, NeedsLiveSample, Reference, Référence, Web
    The outline-style CSS property is used to set the style of the outline of an element. An outline is a line that is drawn around elements, outside the border edge, to make the element stand out.
    504 outline-width CSS, CSS Outline, CSS Property, Layout, NeedsLiveSample, Reference, Référence, Web
    The outline-width CSS property is used to set the width of the outline of an element. An outline is a line that is drawn around elements, outside the border edge, to make the element stand out:
    505 overflow CSS, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web, overflow
    The overflow property specifies whether to clip content, render scrollbars or just display content when it overflows its block level container.
    506 overflow-x CSS, CSS Box Model, CSS Property, Layout, Reference, Réference, Référence, Web
    The overflow-x property specifies whether to clip content, render a scroll bar, or display overflow content of a block-level element, when it overflows at the left and right edges.
    507 overflow-y CSS, CSS Box Model, CSS Property, Reference, Réference, Référence, Web
    The overflow-y property specifies whether to clip content, render a scroll bar, or display overflow content of a block-level element, when it overflows at the top and bottom edges.
    508 padding CSS, CSS Padding, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The padding CSS property sets the required padding space on all sides of an element. The padding area is the space between the content of the element and its border. Negative values are not allowed.
    509 padding-block-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The padding-block-end CSS property defines the logical block end padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation. It corresponds to the padding-toppadding-rightpadding-bottom, or padding-left property depending on the values defined for writing-mode, direction, and text-orientation.
    510 padding-block-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The padding-block-start CSS property defines the logical block start padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation. It corresponds to the padding-toppadding-rightpadding-bottom, or padding-left property depending on the values defined for writing-mode, direction, and text-orientation.
    511 padding-bottom CSS, CSS Padding, CSS Property, Layout, Reference, Référence, Web
    The padding-bottom CSS property of an element sets the height of the padding area at the bottom of an element. The padding area is the space between the content of the element and it's border. Contrary to margin-bottom values, negative values of padding-bottom are invalid.
    512 padding-inline-end CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The padding-inline-end CSS property defines the logical inline end padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation. It corresponds to the padding-toppadding-rightpadding-bottom, or padding-left property depending on the values defined for writing-mode, direction, and text-orientation.
    513 padding-inline-start CSS, CSS Logical Property, CSS Property, Layout, NeedsContent, Reference, Référence, Web
    The padding-inline-start CSS property defines the logical inline start padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation. It corresponds to the padding-toppadding-rightpadding-bottom, or padding-left property depending on the values defined for writing-mode, direction, and text-orientation.
    514 padding-left CSS, CSS Padding, CSS Property, Layout, Reference, Référence, Web
    The padding-left CSS property of an element sets the padding space required on the left side of an element. The padding area is the space between the content of the element and it's border. A negative value is not allowed.
    515 padding-right CSS, CSS Padding, CSS Property, Layout, Reference, Référence, Web
    The padding-right CSS property of an element sets the padding space required on the right side of an element. The padding area is the space between the content of the element and its border. Negative values are not allowed.
    516 padding-top CSS, CSS Padding, CSS Property, Layout, Reference, Référence, Web
    The padding-top CSS property of an element sets the padding space required on the top of an element. The padding area is the space between the content of the element and its border. Contrary to margin-top values, negative values of padding-top are invalid.
    517 page-break-after CSS, CSS Property, Layout, Page Breaks, Reference, Référence, Web
    The page-break-after CSS property adjusts page breaks after the current element.
    518 page-break-before CSS, CSS Property, Layout, Page Breaks, Reference, Référence, Web
    The page-break-before CSS property adjusts page breaks before the current element.
    519 page-break-inside CSS, CSS Property, Layout, Page Breaks, Reference, Référence, Web
    The page-break-inside CSS property adjusts page breaks inside the current element.
    520 perspective CSS, CSS Property, CSS Transforms, Graphics, Layout, Reference, Référence, Web
    The perspective CSS property determines the distance between the z=0 plane and the user in order to give to the 3D-positioned element some perspective. Each 3D element with z>0 becomes larger; each 3D-element with z<0 becomes smaller. The strength of the effect is determined by the value of this property.
    521 perspective-origin CSS, CSS Property, CSS Transforms, Graphics, Layout, Reference, Référence, Web
    The perspective-origin CSS property determines the position the viewer is looking at. It is used as the vanishing point by the perspective property.
    522 pointer-events CSS, CSS Property, Layout, NeedsExample, NeedsHelp, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, SVG, Web
    The CSS property pointer-events allows authors to control under what circumstances (if any) a particular graphic element can become the target of mouse events. When this property is unspecified, the same characteristics of the visiblePainted value apply to SVG content.
    523 position CSS, CSS Positioning, CSS Property, NeedsLiveSample, Reference, Réference, Référence
    The position CSS property chooses alternative rules for positioning elements, designed to be useful for scripted animation effects.
    524 quotes CSS, CSS Property, Layout, Reference, Référence, Web
    The quotes CSS property indicates how user agents should render quotation marks.
    525 radial-gradient() CSS, CSS Function, CSS Image, Graphics, Layout, NeedsLiveSample, Reference, Référence, Web
    The CSS radial-gradient()function creates an <image> which represents a gradient of colors radiating from an origin, the center of the gradient. The result of this function is an object of the CSS <gradient> data type.
    526 repeating-linear-gradient() CSS, CSS Function, CSS Image, Graphics, Layout, Reference, Référence, Web, css3-images
    The CSS repeating-linear-gradient function creates an <image> of a repeating gradients. It works similarly, and takes the same arguments, to the basic linear gradients, as described by linear-gradient(), but it automatically repeats the color stops infinitely in both directions, with their positions shifted by multiples of the length of a basic linear gradient (the difference between the last color stop's position and the first one's position).
    527 repeating-radial-gradient() CSS, CSS Function, CSS Image, Graphics, Layout, NeedsLiveSample, Reference, Référence, Web
    This works similarly to the standard radial gradients as described by radial-gradient(), but it automatically repeats the color stops infinitely in both directions, with their positions shifted by multiples of the difference between the last color stop's position and the first one's position.
    528 resize CSS, CSS Property, CSS3, Layout, Reference, Réference, Référence, Web, resize
    The resize CSS property lets you control the resizability of an element.
    529 right CSS, CSS Positioning, CSS Property, NeedsLiveSample, Reference, Référence
    The right CSS property specifies part of the position of positioned elements.
    530 ruby-align CSS, CSS Reference, CSS Ruby, CSS Référence, Property, Reference, Référence
    The ruby-align CSS property defines the distribution of the different ruby elements over the base.
    531 ruby-position CSS, CSS Reference, CSS Ruby, CSS Référence, Property, Reference, Référence
    The ruby-position CSS property defines the position of a ruby element relatives to its base element. It can be position over the element (over), under it (under), or between the characters, on their right side (inter-character).
    532 scroll-behavior CSS, CSS Property, CSSOM View, NeedsBrowserCompatibility, Reference, Référence, Web
    The scroll-behavior CSS property specifies the scrolling behavior for a scrolling box, when scrolling happens due to navigation or CSSOM scrolling APIs. Any other scrolls, e.g. those that are performed by the user, are not affected by this property. When this property is specified on the root element, it applies to the viewport instead.
    533 scroll-snap-type CSS, CSS Property, CSS Scroll Snap Points, Layout, NeedsExample, Reference, Réference, Référence, Web
    The scroll-snap-type CSS property defines how strictly snap points are enforced on the scroll container in case there is one.
    534 shape-image-threshold CSS, CSS Shapes, Property
    The shape-image-threshold CSS property defines the alpha channel threshold used to extract the shape using an image as the value for shape-outside. A value of 0.5 means that the shape will enclose all the pixels that are more than 50% opaque.
    535 shape-margin CSS, CSS Shapes, Property
    The shape-margin CSS property adds a margin to shape-outside.
    536 specified value CSS, CSS Reference, CSS Référence
    The specified value of a CSS property is set in one out of three ways.
    537 symbols() CSS, CSS Counter Styles, Reference, Référence
    The symbols() function allows counter styles to be defined inline, directly as the value of the CSS property. Unlike styles defines with @counter-style, these styles are anonymous. The symbols() function doesn't have all the capabilities and options of the @counter-style at-rule, but is useful in cases such as when the style is used only once and you don't need all the the options provided by @counter-style.
    538 tab-size CSS, CSS Property, Layout, Reference, Réference, Référence, Web
    The tab-size CSS property is used to customize the width of a tab (U+0009) character.
    539 table-layout CSS, CSS Property, CSS Tables, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The table-layout CSS property defines the algorithm to be used to layout the table cells, rows, and columns.
    540 text-align CSS, CSS Text, Layout, NeedsLiveSample, Property, Reference, Réference, Référence, Web
    The text-align CSS property describes how inline content like text is aligned in its parent block element. text-align does not control the alignment of block elements itself, only their inline content.
    541 text-align-last CSS, CSS Property, CSS3, Layout, Reference, Référence, Web
    The text-align-last CSS property describes how the last line of a block or a line, right before a forced line break, is aligned.
    542 text-decoration CSS, CSS Text, Layout, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The text-decoration CSS property is used to set the text formatting to underline, overline, line-through or blink. Underline and overline decorations are positioned under the text, line-through over it.
    543 text-decoration-color CSS, CSS Text, Layout, Reference, Réference, Référence, Web
    The text-decoration-color CSS property sets the color used when drawing underlines, overlines, or strike-throughs specified by text-decoration-line.
    544 text-decoration-line CSS, CSS Text, Layout, Reference, Référence, Web
    The text-decoration-line CSS property sets what kind of line decorations are added to an element.
    545 text-decoration-style CSS, CSS Text, Layout, Property, Reference, Réference, Référence, Web
    The text-decoration-style CSS property defines the style of the lines specified by text-decoration-line. The style applies to all lines, there is no way to define different style for each of the line defined by text-decoration-line.
    546 text-indent CSS, CSS Text, Layout, Property, Reference, Réference, Référence, Web
    The text-indent CSS property specifies how much horizontal space should be left before the beginning of the first line of the text content of an element.
    547 text-orientation CSS, CSS Property, CSS Writing Modes, Experimental, Expérimental, Reference, Référence
    The text-orientation CSS property defines the orientation of the text in a line. This property only has an effect in vertical mode, that is when writing-mode is not horizontal-tb. It is useful to control the display of writing in languages using vertical script, but also to deal with vertical table headers.
    548 text-overflow CSS, CSS Property, CSS3, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The text-overflow CSS property determines how overflowed content that is not displayed is signaled to the users. It can be clipped, or display an ellipsis ('', U+2026 Horizontal Ellipsis) or a Web author-defined string.
    549 text-rendering CSS, CSS Text, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Property, Reference, Réference, Référence, SVG, Web
    The text-rendering CSS property provides information to the rendering engine about what to optimize for when rendering text.
    550 text-shadow CSS, CSS Text, Layout, NeedsMobileBrowserCompatibility, Property, Reference, Réference, Référence, Web
    The text-shadow CSS property adds shadows to text. It accepts a comma-separated list of shadows to be applied to the text and text-decorations of the element.
    551 text-size-adjust CSS, Reference, Réference, Référence, small
    On mobile devices, the text-size-adjust CSS property allows Web authors to control if and how the text-inflating algorithm is applied to the textual content of the element it is applied to.
    552 text-transform CSS, CSS Text, Layout, NeedsLiveSample, Property, Reference, Réference, Référence, Web
    The text-transform CSS property specifies how to capitalize an element's text. It can be used to make text appear in all-uppercase or all-lowercase, or with each word capitalized.
    553 text-underline-position CSS, CSS Property, Layout, NeedMobileCompatibility, Reference, Référence, Web
    The CSS text-underline-position property specifies the position of the underline which is set using the text-decoration property underline value.
    554 top CSS, CSS Positioning, CSS Property, Reference, Référence
    The top CSS property specifies part of the position of positioned elements. It has no effect on non-positioned elements.
    555 touch-action CSS, CSS Property, NeedsLiveSample, Reference, Référence, Web
    The touch-action CSS property specifies whether and how a given region can be manipulated by the user (for instance, by panning or zooming).
    556 transform CSS, CSS Property, CSS Transforms, Layout, NeedsBrowserCompatibility, NeedsLiveSample, Reference, Réference, Référence, Web
    The CSS transform property lets you modify the coordinate space of the CSS visual formatting model. Using it, elements can be translated, rotated, scaled, and skewed.
    557 transform-function CSS, CSS Function, CSS Transforms, Layout, Reference, Référence, Web
    The <transform-function> CSS data type denotes a function to apply to an element's representation in order to modify it. Usually such transform may be expressed by matrices and the resulting images can be determined using matrix multiplication on each point.
    558 transform-origin CSS, CSS Property, CSS Transforms, Experimental, Expérimental, Layout, NeedsLiveSample, Reference, Référence, Web
    The transform-origin CSS property lets you modify the origin for transformations of an element. For example, the transform-origin of the rotate() function is the centre of rotation. (This property is applied by first translating the element by the negated value of the property, then applying the element's transform, then translating by the property value.)
    559 transform-style CSS, CSS Property, CSS Transforms, CSS3, Layout, Reference, Référence, Web
    The transform-style CSS property determines if the children of the element are positioned in the 3D-space or are flattened in the plane of the element.
    560 transition CSS, CSS Animations, CSS Property, CSS Transitions, Layout, Reference, Référence, Web
    The CSS transition property is a shorthand property for transition-property, transition-duration, transition-timing-function, and transition-delay. It allows to define the transition between two states of an element. Different states may be defined using pseudo-classes like :hover or :active or dynamically set using JavaScript.
    561 transition-delay CSS, CSS Animations, CSS Property, CSS Transitions, Layout, Reference, Référence, Web
    The transition-delay CSS property specifies the amount of time to wait between a change being requested to a property that is to be transitioned and the start of the transition effect.
    562 transition-duration CSS, CSS Animations, CSS Property, CSS Transitions, Layout, Reference, Référence, Web
    The transition-duration CSS property specifies the number of seconds or milliseconds a transition animation should take to complete. By default, the value is 0s, meaning that no animation will occur.
    563 transition-property CSS, CSS Animations, CSS Property, CSS Transitions, Layout, Reference, Référence, Web
    The transition-property CSS property is used to specify the names of CSS properties to which a transition effect should be applied.
    564 transition-timing-function CSS, CSS Animations, CSS Property, CSS Transitions, CSS3, Layout, Reference, Référence, Web
    The CSS transition-timing-function property is used to describe how the intermediate values of the CSS properties being affected by a transition effect are calculated. This in essence lets you establish an acceleration curve, so that the speed of the transition can vary over its duration.
    565 translation-value CSS, CSS Reference, CSS Référence, Reference, Référence
    Technical review completed.
    566 unicode-bidi CSS, CSS Property, Layout, Reference, Référence, Web
    The unicode-bidi CSS property together with the direction property relates to the handling of bidirectional text in a document. For example, if a block of text contains both left-to-right and right-to-left text then the user-agent uses a complex Unicode algorithm to decide how to display the text. This property overrides this algorithm and allows the developer to control the text embedding.
    567 unicode-range CSS, CSS Fonts, Experimental, Expérimental, Layout, Reference, Référence, Web
    The unicode-range CSS descriptor sets the specific range of characters to be downloaded from a font defined by @font-face and made available for use on the current page.
    568 unset CSS, CSS Cascade, Keyword, Reference, Référence
    The unset CSS keyword is the combination of the initial and inherit keywords. Like these two other CSS-wide keywords, it can be applied to any CSS property, including the CSS shorthand all. This keyword resets the property to its inherited value if it inherits from its parent or to its initial value if not. In other words, it behaves like the inherit keyword in the first case and like the initial keyword in the second case.
    569 used value CSS, Guide, NeedsLiveSample, Web
    The used value of any CSS property is the final value of that property after all calculations have been performed. For some properties, used values can be retrieved by calling window.getComputedStyle. Dimensions (e.g., width, line-height) are all in pixels, shorthand properties (e.g., background) are consistent with their component properties (e.g., background-colordisplay) and consistent with position and float, and every CSS property has a value.
    570 user-select CSS, CSS Reference, CSS Référence, Non Standard, Reference, Réference, Référence
    Controls the actual Selection operation. This doesn't have any effect on content loaded as chrome, except in textboxes. A similar property 'user-focus' was proposed in early drafts of a predecessor of css3-ui but was rejected by the working group.
    571 var-* CSS, CSS Variables, Property
    Properties name that are prefixed with var-, like var-example-name, represent custom properties that contains a value than can be reused throughout the document, using a variable (var()).
    572 vertical-align CSS, CSS Property, Layout, Reference, Référence, Web
    The vertical-align CSS property specifies the vertical alignment of an inline or table-cell box.
    573 visibility CSS, CSS Positioning, CSS Property, Reference, Référence
    The visibility CSS property has two purposes:
    574 white-space CSS, CSS Text, Layout, NeedsExample, NeedsMobileBrowserCompatibility, Property, Reference, Référence, Web
    The white-space CSS property is used to to describe how white spaces inside the element is handled.
    575 widows CSS, CSS Fragmentation, CSS Property, Layout, NeedsMobileBrowserCompatibility, Reference, Référence
    The widows CSS property defines how many minimum lines must be left on top of a new page, on a paged media. In typography, a widow is the last line of a paragraph appearing alone at the top of a page. Setting the widows property allows to prevent widows to be left.
    576 width CSS, CSS Property, Layout, NeedsBrowserCompatibility, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The width CSS property specifies the width of the content area of an element. The content area is inside the padding, border, and margin of the element.
    577 will-change CSS, CSS Property, CSS Will-change, Reference, Référence
    The will-change CSS property provides a way for authors to hint browsers about the kind of changes to be expected on an element, so that the browser can setup appropriate optimizations ahead of time before the element is actually changed.
    578 word-break CSS, CSS Property, CSS3, Layout, NeedsContent, Reference, Réference, Référence, Web, css3-text
    The word-break CSS property is used to specify whether to break lines within words.
    579 word-spacing CSS, CSS Text, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Property, Reference, Référence, Web
    The word-spacing CSS property specifies spacing behavior between tags and words.
    580 word-wrap CSS, CSS Property, Layout, NeedsLiveSample, Reference, Réference, Référence, Web
    The word-wrap property is used to specify whether or not the browser may break lines within words in order to prevent overflow when an otherwise unbreakable string is too long to fit in its containing box.
    581 writing-mode CSS, Layout, NeedsMobileBrowserCompatibility, Reference, Référence, Web
    The writing-mode CSS property defines whether lines of text are laid out horizontally or vertically and the direction in which blocks progress.
    582 z-index CSS, CSS Property, Layout, NeedsLiveSample, NeedsMobileBrowserCompatibility, Reference, Réference, Référence, Web
    The z-index property specifies the z-order of an element and its descendants. When elements overlap, z-order determines which one covers the other. An element with a larger z-index generally covers an element with a lower one.

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    Contributors to this page: Sebastianz, fscholz
    Last updated by: Sebastianz,