Mozilla CSS support chart

  • Revision slug: Mozilla_CSS_support_chart
  • Revision title: Mozilla CSS support chart
  • Revision id: 20084
  • Created:
  • Creator: fscholz
  • Is current revision? No
  • Comment Gecko 1.9.3 -> 2; 11 words added, 17 words removed

Revision Content

This page lists supported CSS selectors, properties, @-rules, Media queries and values in alphabetical order.

The "supported since" column indicates the Gecko version number in which support was introduced; versions prior to Gecko 1.0 are listed as 1.0.
Gecko is the rendering engine used in Firefox and other applications; please see Gecko for more information about Firefox and Gecko version numbers.

The "specification" column links to one of the specifications in which the feature was specified:  generally the newest one at the time of writing.  However, in many cases, the feature in also specified in other specifications, both older and newer.  This should probably be fixed to link to all relevant specifications.

Mozilla CSS extensions (those prefixed with -moz-) are mentioned in the "Notes" column to provide bug numbers and other hints regarding CSS support.

Warning: Various specifications are still Working Drafts and several properties can be deleted, changed or renamed.

If you think you have found a bug in Mozilla's CSS support, please create a minimal test case and file a bug. Make sure you search through existing bugs first.

This chart refers to the CSS 2.1 Specification and current drafts by the CSS Workgroup.

Selectors

Selector Specification Supported Supported since Notes
Basic Selectors
Universal Selector * CSS 3 (Selectors) Yes 1.0 -
Type selector element CSS 3 (Selectors) Yes 1.0 -
Class selector .class CSS 3 (Selectors) Yes 1.0 -
ID selector #id CSS 3 (Selectors) Yes 1.0 -
Attribute selectors [attribute="value"] CSS 3 (Selectors) Yes 1.0 -
Combinators
Descendant selector E F CSS 3 (Selectors) Yes 1.0 -
Child selector E > F CSS 3 (Selectors) Yes 1.0 -
Adjacent sibling selector E + F CSS 3 (Selectors) Yes 1.0 -
General sibling selectors E ~ F CSS 3 (Selectors) Yes 1.0 -
Pseudo-elements
:after (::after) CSS 3 (Selectors) Yes 1.0 (1.5) Syntax with two colons (::) is supported since Gecko 1.5
:before (::before) CSS 3 (Selectors) Yes 1.0 (1.5)
:first-letter (::first-letter) CSS 3 (Selectors) Yes 1.0 (1.5)
:first-line (::first-line) CSS 3 (Selectors) Yes 1.0 (1.5)
::selection CSS 3 (Selectors) No - ::-moz-selection is supported since Gecko 1.5
Dynamic pseudo-classes
:link CSS 3 (Selectors) Yes 1.0 -
:visited CSS 3 (Selectors) Yes 1.0 -
:active CSS 3 (Selectors) Yes 1.0 -
:hover CSS 3 (Selectors) Yes 1.0 -
:focus CSS 3 (Selectors) Yes 1.0 -
Structural pseudo-classes
:root CSS 3 (Selectors) Yes 1.0 -
:empty CSS 3 (Selectors) Yes 1.0 Since Gecko 1.8 an element containing spaces does not longer match :empty
:first-child CSS 3 (Selectors) Yes 1.0 -
:last-child CSS 3 (Selectors) Yes 1.0 -
:only-child CSS 3 (Selectors) Yes 1.8 -
:first-of-type CSS 3 (Selectors) Yes 1.9.1 -
:last-of-type CSS 3 (Selectors) Yes 1.9.1 -
:only-of-type CSS 3 (Selectors) Yes 1.9.1 -
:nth-child CSS 3 (Selectors) Yes 1.9.1 -
:nth-last-child CSS 3 (Selectors) Yes 1.9.1 -
:nth-of-type CSS 3 (Selectors) Yes 1.9.1 -
:nth-last-of-type CSS 3 (Selectors) Yes 1.9.1 -
UI pseudo-classes
:enabled CSS 3 (Selectors) Yes 1.1 -
:disabled CSS 3 (Selectors) Yes 1.1 -
:check CSS 3 (Selectors) Yes 1.1 -
:indeterminate CSS 3 (Selectors) Yes 1.9.2 -
:default CSS 3 (UI) Yes 1.9 -
:valid CSS 3 (UI) No - -
:invalid CSS 3 (UI) No - -
:in-range CSS 3 (UI) No - -
:out-of-range CSS 3 (UI) No - -
:required CSS 3 (UI) No - -
:optional CSS 3 (UI) No - -
:read-only CSS 3 (UI) No - -
:read-write CSS 3 (UI) No - -
::value CSS 3 (UI) No - -
::choices CSS 3 (UI) No - -
::repeat-item CSS 3 (UI) No - -
::repeat-index CSS 3 (UI) No - -
Other pseudo-classes
:lang CSS 3 (Selectors) Yes 1.2 -
:not CSS 3 (Selectors) Yes 1.0 -
:target CSS 3 (Selectors) Yes 1.3 -

Properties

Property Specification Supported Supported since Notes
animation CSS 3 (Animations) No - See {{ Bug("435442") }}.
animation-delay CSS 3 (Animations) No -
animation-direction CSS 3 (Animations) No -
animation-duration CSS 3 (Animations) No -
animation-iteration-count CSS 3 (Animations) No -
animation-name CSS 3 (Animations) No -
animation-play-state CSS 3 (Animations) No -
animation-timing-function CSS 3 (Animations) No -
appearance CSS 3 (UI) No - -moz-appearance is supported since Gecko 1.0 .
background CSS 3 (Background) Yes 1.0 (1.9.2) Multiple backgrounds are supported since Gecko 1.9.2.
background-attachment CSS 3 (Background) Yes 1.0 (1.9.2)
background-clip CSS 3 (Background) Yes 2 -moz-background-clip was supported since Gecko 1.2 till 1.9.2 .
background-color CSS 3 (Background) Yes 1.0 -
background-image CSS 3 (Background) Yes 1.0 (1.9.2) Multiple backgrounds are supported since Gecko 1.9.2.
background-origin CSS 3 (Background) Yes 2 -moz-background-origin was supported since Gecko 1.2 till 1.9.2 .
background-position CSS 3 (Background) Yes 1.0 (1.9.2) Multiple backgrounds are supported since Gecko 1.9.2.
background-repeat CSS 3 (Background) Yes 1.0 (1.9.2)
background-size CSS 3 (Background) No - -moz-background-size is supported since Gecko 1.9.2 .
border CSS 3 (Background) Yes 1.0 -
border-bottom CSS 3 (Background) Yes 1.0 -
border-bottom-color CSS 3 (Background) Yes 1.0 -
border-bottom-left-radius CSS 3 (Background) No - -moz-border-radius-bottomleft is supported since Gecko 1.0 .
border-bottom-right-radius CSS 3 (Background) No - -moz-border-radius-bottomright is supported since Gecko 1.0 .
border-bottom-style CSS 3 (Background) Yes 1.0 -
border-bottom-width CSS 3 (Background) Yes 1.0 -
border-collapse CSS 2.1 Yes 1.0 -
border-color CSS 3 (Background) Yes 1.0 -
border-image CSS 3 (Background) No - -moz-border-image is supported since Gecko 1.9.1, but differs from current specification. See {{ Bug("497995") }}.
border-image-outset CSS 3 (Background) No - -
border-image-repeat CSS 3 (Background) No - -
border-image-slice CSS 3 (Background) No - -
border-image-source CSS 3 (Background) No - -
border-image-width CSS 3 (Background) No - -
border-left CSS 3 (Background) Yes 1.0 -
border-left-color CSS 3 (Background) Yes 1.0 -
border-left-style CSS 3 (Background) Yes 1.0 -
border-left-width CSS 3 (Background) Yes 1.0 -
border-radius CSS 3 (Background) No - -moz-border-radius is supported since Gecko 1.0 .
border-right CSS 3 (Background) Yes 1.0 -
border-right-color CSS 3 (Background) Yes 1.0 -
border-right-style CSS 3 (Background) Yes 1.0 -
border-right-width CSS 3 (Background) Yes 1.0 -
border-spacing CSS 2.1 Yes 1.0 -
border-style CSS 3 (Background) Yes 1.0 -
border-top CSS 3 (Background) Yes 1.0 -
border-top-color CSS 3 (Background) Yes 1.0 -
border-top-left-radius CSS 3 (Background) No - -moz-border-radius-topleft is supported since Gecko 1.0 .
border-top-right-radius CSS 3 (Background) No - -moz-border-radius-topright is supported since Gecko 1.0 .
border-top-style CSS 3 (Background) Yes 1.0 -
border-top-width CSS 3 (Background) Yes 1.0 -
border-width CSS 3 (Background) Yes 1.0 -
bottom CSS 2.1 Yes 1.0 -
box-align CSS 3 (Flexbox) No - -moz-box-align is supported since Gecko 1.0 .
box-decoration-break CSS 3 (Background) No - -
box-direction CSS 3 (Flexbox) No - -moz-box-direction is supported since Gecko 1.0 .
box-flex CSS 3 (Flexbox) No - -moz-box-flex is supported since Gecko 1.0 .
box-flex-group CSS 3 (Flexbox) No - -moz-box-flex-group is supported since Gecko 1.0 .
box-lines CSS 3 (Flexbox) No - -
box-ordinal-group CSS 3 (Flexbox) No - -moz-box-ordinal-group is supported since Gecko 1.0 .
box-orient CSS 3 (Flexbox) No - -moz-box-orient is supported since Gecko 1.0 .
box-pack CSS 3 (Flexbox) No - -moz-box-pack is supported since Gecko 1.0 .
box-shadow CSS 3 (Background) No - -moz-box-shadow is supported since Gecko 1.9.1 .
box-sizing CSS 3 (UI) No - -moz-box-sizing is supported since Gecko 1.0 .
caption-side CSS 2.1 Yes 1.4 -
clear CSS 2.1 Yes 1.0 -
clip CSS 2.1 Yes 1.0 -
color CSS 3 (Color) Yes 1.0 -
column-count CSS 3 (MultiCol) No - -moz-column-count is supported since Gecko 1.8 .
column-fill CSS 3 (MultiCol) No - -
column-gap CSS 3 (MultiCol) No - -moz-column-gap is supported since Gecko 1.8 .
column-rule CSS 3 (MultiCol) No - -moz-column-rule is supported since Gecko 1.9.1 .
column-rule-color CSS 3 (MultiCol) No - -moz-column-rule-color is supported since Gecko 1.9.1 .
column-rule-style CSS 3 (MutliCol) No - -moz-column-rule-style is supported since Gecko 1.9.1 .
column-rule-width CSS 3 (MultiCol) No - -moz-column-rule-width is supported since Gecko 1.9.1 .
column-span CSS 3 (MultiCol) No - -
column-width CSS 3 (MultiCol) No - -moz-column-width is supported since Gecko 1.8 .
columns CSS 3 (MultiCol) No - See {{ Bug("435442") }}.
content CSS 2.1 Yes 1.0 -
counter-increment CSS 2.1 Yes 1.8 -
counter-reset CSS 2.1 Yes 1.8 -
cursor CSS 2.1 Yes 1.0 -
direction CSS 2.1 Yes 1.0 -
display CSS 2.1 Yes 1.0 -
empty-cells CSS 2.1 Yes 1.0 -
float CSS 2.1 Yes 1.0 -
font CSS 2.1 Yes 1.0 -
font-family CSS 2.1 Yes 1.0 -
font-size CSS 2.1 Yes 1.0 -
font-size-adjust CSS 3 (Fonts) Yes 1.0 (1.9) Prior to Gecko 1.9 this was supported only on windows.
font-stretch CSS 3 (Fonts) No - See {{ Bug("3512") }}.
font-style CSS 2.1 Yes 1.0 -
font-variant CSS 2.1 Yes 1.0 -
font-weight CSS 2.1 Yes 1.0 -
height CSS 2.1 Yes 1.0 -
left CSS 2.1 Yes 1.0 -
letter-spacing CSS 2.1 Yes 1.0 -
line-height CSS 2.1 Yes 1.0 -
list-style CSS 2.1 Yes 1.0 -
list-style-image CSS 2.1 Yes 1.0 -
list-style-position CSS 2.1 Yes 1.0 -
list-style-type CSS 2.1 Yes 1.0 -
margin CSS 2.1 Yes 1.0 -
margin-bottom CSS 2.1 Yes 1.0 -
margin-left CSS 2.1 Yes 1.0 -
margin-right CSS 2.1 Yes 1.0 -
margin-top CSS 2.1 Yes 1.0 -
max-height CSS 2.1 Yes 1.7 -
max-width CSS 2.1 Yes 1.0 -
min-height CSS 2.1 Yes 1.7 -
opacity CSS 3 (Color) Yes 1.7 -
orphans CSS 2.1 No - See {{ Bug("137367") }}.
outline CSS 2.1 Yes 1.8 -
outline-color CSS 2.1 Yes 1.8 -
outline-offset CSS 3 (UI) Yes 1.8 -
outline-style CSS 2.1 Yes 1.8 -
outline-width CSS 2.1 Yes 1.8 -
overflow CSS 2.1 Yes 1.0 -
overflow-x CSS 3 (Box) Yes 1.8 -
overflow-y CSS 3 (Box) Yes 1.8 -
padding CSS 2.1 Yes 1.0 -
padding-bottom CSS 2.1 Yes 1.0 -
padding-left CSS 2.1 Yes 1.0 -
padding-right CSS 2.1 Yes 1.0 -
padding-top CSS 2.1 Yes 1.0 -
page-break-after CSS 2.1 No - See {{ Bug("132035") }}.
page-break-before CSS 2.1 No -
page-break-inside CSS 2.1 No -
position CSS 2.1 Yes 1.0 -
quotes CSS 2.1 Yes 1.0 -
resize CSS 3 (UI) No - -moz-resize is supported since Gecko 2.
right CSS 2.1 Yes 1.0 -
table-layout CSS 2.1 Yes 1.0 -
text-align CSS 2.1 Yes 1.0 -
text-decoration CSS 2.1 Yes 1.0 -
text-indent CSS 2.1 Yes 1.0 -
text-shadow CSS 3 (Text) Yes 1.9.1 -
text-transform CSS 2.1 Yes 1.0 -
top CSS 2.1 Yes 1.0 -
transform (2D) CSS 3 (2D Transforms) No - -moz-transform is supported since Gecko 1.9.1 .
transform-origin (2D) CSS 3 (2D Transforms) No - -moz-transform-origin is supported since Gecko 1.9.1 .
transition CSS 3 (Transitions) No - -moz-transition is supported since Gecko 2.
transition-delay CSS 3 (Transitions) No - -moz-transition-delay is supported since Gecko 2.
transition-duration CSS 3 (Transitions) No - -moz-transition-duration is supported since Gecko 2.
transition-property CSS 3 (Transitions) No - -moz-transition-property is supported since Gecko 2.
transition-timing-function CSS 3 (Transitions) No - -moz-transition-timing-function is supported since Gecko 2.
unicode-bidi CSS 2.1 Yes 1.0 -
vertical-align CSS 2.1 Yes 1.0 -
visibility CSS 2.1 Yes 1.3 -
white-space CSS 2.1 Yes 1.0 -
widows CSS 2.1 No - See {{ Bug("137367") }}.
width CSS 2.1 Yes 1.0 -
word-break CSS 3 (Text) No - See {{ Bug("249159") }}.
word-spacing CSS 2.1 Yes 1.0 -
word-wrap CSS 3 (Text) Yes 1.9.1 -
z-index CSS 2.1 Yes 1.0 -

@-rules

Rule Specification Supported Supported since Notes
@charset CSS 2.1 Yes 1.0 -
@font-face CSS 3 (Fonts) Yes 1.9.1 -
@import CSS 2.1 Yes 1.0 -
@keyframes CSS 3 (Animations) No - See {{ Bug("435442") }}.
@media CSS 3 (Media Queries) Yes 1.0 -
@namespace CSS 3 (Namespace) Yes 1.0 -
@page CSS 2.1 No - See {{ Bug("115199") }}.

Media queries

Property Specification Supported Supported since Notes
aspect-ratio CSS 3 (MediaQueries) Yes 1.9.1 -
color CSS 3 (MediaQueries) Yes 1.9.1 -
color-index CSS 3 (MediaQueries) Yes 1.9.1 -
device-aspect-ratio CSS 3 (MediaQueries) Yes 1.9.1 -
device-height CSS 3 (MediaQueries) Yes 1.9.1 -
device-width CSS 3 (MediaQueries) Yes 1.9.1 -
grid CSS 3 (MediaQueries) No - -
height CSS 3 (MediaQueries) Yes 1.9.1 -
monochrome CSS 3 (MediaQueries) Yes 1.9.1 -
orientation CSS 3 (MediaQueries) Yes 1.9.1 -
resolution CSS 3 (MediaQueries) Yes 1.9.1 -
scan CSS 3 (MediaQueries) No - -
width CSS 3 (MediaQueries) Yes 1.9.1 -

Values and Units

Value / Unit Specification Supported Supported since Notes
Keywords
inherit CSS 3 (Cascade) Yes 1.0 -
initial CSS 3 (Cascade) No - -moz-initial is supported since Gecko 1.9.
Functions
attr() CSS 3 (Values) No 1.0 Only supported for text in content properties. See {{ Bug("363249") }}.
calc() CSS 3 (Values) No - -moz-calc is supported since Gecko 2. See {{ Bug("363249") }}.
counter() CSS 3 (Values) Yes 1.0 -
url() CSS 3 (Values) Yes 1.0 -
Colors
HTML4 color keywords CSS 3 (Color) Yes 1.0 -
SVG color keywords CSS 3 (Color) Yes 1.0 -
System colors CSS 3 (Color) Yes 1.0 -
RGB CSS 3 (Color) Yes 1.0 -
rgba(r,g,b,a) CSS 3 (Color) Yes 1.9 -
hsl(h,s,l) CSS 3 (Color) Yes 1.5 -
hsla(h,s,l,a) CSS 3 (Color) Yes 1.9 -
currentColor CSS 3 (Color) Yes 1.8 -
transparent CSS 3 (Color) Yes 1.9 -
Units
% CSS 3 (Values) Yes 1.0 -
ch CSS 3 (Values) Yes 1.9.1 -
cm CSS 3 (Values) Yes 1.0 -
deg CSS 3 (Values) Yes 1.9.1 -
dpcm CSS 3 (MediaQueries) Yes 1.9.1 -
dpi CSS 3 (MediaQueries) Yes 1.9.1 -
em CSS 3 (Values) Yes 1.0 -
ex CSS 3 (Values) Yes 1.0 -
gd CSS 3 (Values) No - -
grad CSS 3 (Values) Yes 1.9.1 -
Hz CSS 3 (Values) No - -
in CSS 3 (Values) Yes 1.0 -
kHz CSS 3 (Values) No - -
mm CSS 3 (Values) Yes 1.0 -
ms CSS 3 (Values) Yes 2 -
pc CSS 3 (Values) Yes 1.0 -
px CSS 3 (Values) Yes 1.0 -
pt CSS 3 (Values) Yes 1.0 -
rad CSS 3 (Values) Yes 1.9.1 -
rem CSS 3 (Values) Yes 1.9.2 -
s CSS 3 (Values) Yes 2 -
turn CSS 3 (Values) No - -
vh CSS 3 (Values) No - See {{ Bug("503720") }}.
vm CSS 3 (Values) No -
vw CSS 3 (Values) No -
Images and gradients
image() CSS 3 (Images) No - -
linear-gradient() CSS 3 (Images) No - -moz-linear-gradient() is supported since Gecko 1.9.2.
radial-gradient() CSS 3 (Images) No - -moz-radial-gradient() is supported since Gecko 1.9.2.
repeating-linear-gradient() CSS 3 (Images) No - -moz-repeating-linear-gradient() is supported since Gecko 1.9.2.
repeating-radial-gradient() CSS 3 (Images) No - -moz-repeating-radial-gradient() is supported since Gecko 1.9.2.

{{ languages( { "de": "de/CSS/CSS_Unterstützung"} ) }}

Revision Source

<p>This page lists supported CSS <a href="/en/Mozilla_CSS_support_chart#Selectors" title="en/Mozilla_CSS_support_chart#Selectors">selectors</a>, <a href="/en/Mozilla_CSS_support_chart#properties" title="en/Mozilla_CSS_support_chart#properties">properties</a>, <a href="/en/Mozilla_CSS_support_chart#.40-rules" title="en/Mozilla_CSS_support_chart#.40-rules">@-rules</a>, <a href="/en/Mozilla_CSS_support_chart#Media_queries" title="en/Mozilla_CSS_support_chart#Media_queries">Media queries</a> and <a href="/en/Mozilla_CSS_support_chart#values_and_units" title="en/CSS/CSS_Unterstützung#Werte_und_Einheiten">values</a> in alphabetical order.</p>
<p>The <em>"supported since"</em> column indicates the <a href="/en/Gecko" title="en/Gecko">Gecko</a> version number in which support was introduced; versions prior to Gecko 1.0 are listed as 1.0. <br>
Gecko is the rendering engine used in Firefox and other applications; please see <a href="/en/Gecko" title="en/Gecko">Gecko</a> for more information about Firefox and Gecko version numbers.</p>
<p>The "specification" column links to one of the specifications in which the feature was specified:  generally the newest one at the time of writing.  However, in many cases, the feature in also specified in other specifications, both older and newer.  This should probably be fixed to link to all relevant specifications.</p>
<p><a href="/en/CSS_Reference/Mozilla_Extensions" title="en/CSS_Reference/Mozilla_Extensions">Mozilla CSS extensions</a> (those prefixed with <code>-moz-</code>) are mentioned in the <em>"Notes"</em> column to provide bug numbers and other hints regarding CSS support.</p>
<div class="note">Warning: Various specifications are still <em>Working Drafts</em> and several properties can be deleted, changed or renamed.</div>
<p>If you think you have found a bug in Mozilla's CSS support, please create a <a class="external" href="http://hixie.ch/advocacy/writing-test-cases-for-web-browsers">minimal test case</a> and <a class="external" href="http://bugzilla.mozilla.org">file a bug</a>. Make sure you <a class="link-https" href="https://bugzilla.mozilla.org/query.cgi">search through existing bugs</a> first.</p>
<p>This chart refers to the <a class=" external" href="http://www.w3.org/TR/CSS2/" title="http://www.w3.org/TR/CSS2/">CSS 2.1 Specification</a> and <a class="external" href="http://www.w3.org/Style/CSS/current-work">current drafts</a> by the <a class="external" href="http://www.w3.org/Style/CSS/">CSS Workgroup</a>.</p>
<h2>Selectors</h2>
<table class="fullwidth-table"> <tbody> <tr> <th>Selector</th> <th>Specification</th> <th>Supported</th> <th>Supported since</th> <th>Notes</th> </tr> <tr> <th colspan="5">Basic Selectors</th> </tr> <tr> <td><a href="/en/CSS/Universal_selectors" title="en/CSS/Universal_selectors">Universal Selector</a> <code>*</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#universal-selector" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/Type_selectors" title="en/CSS/Type_selectors">Type selector</a> <code>element</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#type-selectors" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/Class_selectors" title="en/CSS/Class_selectors">Class selector</a> <code>.class</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#class-html" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/ID_selectors" title="en/CSS/ID_selectors">ID selector</a> <code>#id</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#id-selectors" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/Attribute_selectors" title="en/CSS/Attribute_selectors">Attribute selectors</a> <code>[attribute="value"]</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#attribute-selectors" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <th colspan="5">Combinators</th> </tr> <tr> <td><a href="/en/CSS/Descendant_selectors" title="en/CSS/Descendant_selectors">Descendant selector</a> <code>E F</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#descendant-combinators" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/Child_selectors" title="en/CSS/Child_selectors">Child selector</a> <code>E &gt; F</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#child-combinators" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/Adjacent_sibling_selectors" title="en/CSS/Adjacent_sibling_selectors">Adjacent sibling selector</a> <code>E + F</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#adjacent-sibling-combinators" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/General_sibling_selectors" title="en/CSS/General_sibling_selectors">General sibling selectors</a> <code>E ~ F</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#general-sibling-combinators" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <th colspan="5">Pseudo-elements</th> </tr> <tr> <td><a href="/en/CSS/:after" title="en/CSS/:after"><code>:after (::after)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#gen-content" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0 (1.5)</td> <td rowspan="4">Syntax with two colons (::) is supported since Gecko 1.5</td> </tr> <tr> <td><a href="/en/CSS/:before" title="en/CSS/:before"><code>:before (::before)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#gen-content" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0 (1.5)</td> </tr> <tr> <td><a href="/En/CSS/::first-letter" title="en/CSS/::first-letter"><code>:first-letter (::first-letter)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#first-letter" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0 (1.5)</td> </tr> <tr> <td><a href="/En/CSS/::first-line" title="en/CSS/::first-line"><code>:first-line (::first-line)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#first-line" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0 (1.5)</td> </tr> <tr> <td><code>::selection</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#content-selectors" rel="external">CSS 3 (Selectors)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/::-moz-selection" title="en/CSS/::-moz-selection"><code>::-moz-selection</code></a> is supported since Gecko 1.5</td> </tr> <tr> <th colspan="5">Dynamic pseudo-classes</th> </tr> <tr> <td><a href="/En/CSS/:link" title="en/CSS/:link"><code>:link</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#dynamic-pseudos" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:visited" title="en/CSS/:visited"><code>:visited</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#dynamic-pseudos" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:active" title="en/CSS/:active"><code>:active</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#dynamic-pseudos" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:hover" title="en/CSS/:hover"><code>:hover</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#dynamic-pseudos" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:focus" title="en/CSS/:focus"><code>:focus</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#dynamic-pseudos" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <th colspan="5">Structural pseudo-classes</th> </tr> <tr> <td><a href="/En/CSS/:root" title="en/CSS/:root"><code>:root</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#root-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:empty" title="en/CSS/:empty"><code>:empty</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#empty-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>Since Gecko 1.8 an element containing spaces does not longer match <code>:empty</code></td> </tr> <tr> <td><a href="/en/CSS/:first-child" title="en/CSS/:first-child"><code>:first-child</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#first-child-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:last-child" title="en/CSS/:last-child"><code>:last-child</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#last-child-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:only-child" title="en/CSS/:only-child"><code>:only-child</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#only-child-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:first-of-type" title="en/CSS/:first-of-type"><code>:first-of-type</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#first-of-type-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:last-of-type" title="en/CSS/:last-of-type"><code>:last-of-type</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#last-of-type-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:only-of-type" title="en/CSS/:only-of-type"><code>:only-of-type</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#only-of-type-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:nth-child" title="en/CSS/:nth-child"><code>:nth-child</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#nth-child-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:nth-last-child" title="en/CSS/:nth-last-child"><code>:nth-last-child</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#nth-last-child-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:nth-of-type" title="en/CSS/:nth-of-type"><code>:nth-of-type</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#nth-of-type-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:nth-last-of-type" title="en/CSS/:nth-last-of-type"><code>:nth-last-of-type</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#nth-last-of-type-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <th colspan="5">UI pseudo-classes</th> </tr> <tr> <td><a href="/En/CSS/:enabled" title="en/CSS/:enabled"><code>:enabled</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#enableddisabled" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.1</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:disabled" title="en/CSS/:disabled"><code>:disabled</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#enableddisabled" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.1</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:checked" title="en/CSS/:checked"><code>:check</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#checked" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.1</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:indeterminate" title="en/CSS/:indeterminate"><code>:indeterminate</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#indeterminate" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.9.2</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/:default" title="en/CSS/:default"><code>:default</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-default" rel="external">CSS 3 (UI)</a></td> <td>Yes</td> <td>1.9</td> <td>-</td> </tr> <tr> <td><code>:valid</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-valid" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:invalid</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-invalid" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:in-range</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-in-range" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:out-of-range</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-out-of-range" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:required</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-required" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:optional</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-optional" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:read-only</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-read-only" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>:read-write</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-read-write" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>::value</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-value" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>::choices</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-choices" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>::repeat-item</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-repeat-item" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>::repeat-index</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#pseudo-repeat-index" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <th colspan="5">Other pseudo-classes</th> </tr> <tr> <td><a href="/en/CSS/:lang" title="en/CSS/:lang"><code>:lang</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#lang-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.2</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:not" title="en/CSS/:not"><code>:not</code></a></td> <td><a class="external" href="" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/:target" title="en/CSS/:target"><code>:target</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-selectors/#target-pseudo" rel="external">CSS 3 (Selectors)</a></td> <td>Yes</td> <td>1.3</td> <td>-</td> </tr> </tbody>
</table>
<h2>Properties</h2>
<table class="fullwidth-table"> <tbody> <tr> <th>Property</th> <th>Specification</th> <th>Supported</th> <th>Supported since</th> <th>Notes</th> </tr> <tr> <td><code>animation</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> <td rowspan="8">See {{ Bug("435442") }}.</td> </tr> <tr> <td><code>animation-delay</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-trigger" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>animation-direction</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-direction" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>animation-duration</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-duration" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>animation-iteration-count</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-iteration-count" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>animation-name</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-name" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>animation-play-state</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-play-state" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>animation-timing-function</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#animation-timing-function" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>appearance</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#appearance0" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-appearance" title="en/CSS/-moz-appearance"><code>-moz-appearance</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><a href="/en/CSS/background" title="en/CSS/background"><code>background</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0 (1.9.2)</td> <td rowspan="2">Multiple backgrounds are supported since Gecko 1.9.2.</td> </tr> <tr> <td><a href="/en/CSS/background-attachment" title="en/CSS/background-attachment"><code>background-attachment</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#background-attachment" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0 (1.9.2)</td> </tr> <tr> <td><a href="/en/CSS/background-clip" title="en/CSS/background-clip"><code>background-clip</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-clip" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>2</td> <td><code>-moz-background-clip</code> was supported since Gecko 1.2 till 1.9.2 .</td> </tr> <tr> <td><a href="/en/CSS/background-color" title="en/CSS/background-color"><code>background-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-color" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/background-image" title="en/CSS/background-image"><code>background-image</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-image" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0 (1.9.2)</td> <td>Multiple backgrounds are supported since Gecko 1.9.2.</td> </tr> <tr> <td><a href="/en/CSS/background-origin" title="en/CSS/background-origin"><code>background-origin</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-origin" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>2</td> <td><code>-moz-background-origin</code> was supported since Gecko 1.2 till 1.9.2 .</td> </tr> <tr> <td><a href="/en/CSS/background-position" title="en/CSS/background-position"><code>background-position</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-position" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0 (1.9.2)</td> <td rowspan="2">Multiple backgrounds are supported since Gecko 1.9.2.</td> </tr> <tr> <td><a href="/en/CSS/background-repeat" title="en/CSS/background-repeat"><code>background-repeat</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-repeat" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0 (1.9.2)</td> </tr> <tr> <td><code>background-size</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-background-size" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-background-size" title="en/CSS/-moz-background-size"><code>-moz-background-size</code></a> is supported since Gecko 1.9.2 .</td> </tr> <tr> <td><a href="/en/CSS/border" title="en/CSS/border"><code>border</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-shorthands" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-bottom" title="en/CSS/border-bottom"><code>border-bottom</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-shorthands" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-bottom-color" title="en/CSS/border-bottom-color"><code>border-bottom-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-color" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>border-bottom-left-radius</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-radius" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-border-radius-bottomleft" title="en/CSS/-moz-border-radius-bottomleft"><code>-moz-border-radius-bottomleft</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>border-bottom-right-radius</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-radius" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-border-radius-bottomright" title="en/CSS/-moz-border-radius-bottomright"><code>-moz-border-radius-bottomright</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><a href="/en/CSS/border-bottom-style" title="en/CSS/border-bottom-style"><code>border-bottom-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-style" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-bottom-width" title="en/CSS/Border-bottom-width"><code>border-bottom-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-width" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-collapse" title="en/CSS/border-collapse"><code>border-collapse</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/tables.html#propdef-border-collapse" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-color" title="en/CSS/border-color"><code>border-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-color" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>border-image</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-image" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-border-image" title="en/CSS/-moz-border-image"><code>-moz-border-image</code></a> is supported since Gecko 1.9.1, but differs from current specification. See {{ Bug("497995") }}.</td> </tr> <tr> <td><code>border-image-outset</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-image-outset" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>border-image-repeat</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-image-repeat" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>border-image-slice</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-image-slice" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>border-image-source</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-image-source" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>border-image-width</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-image-width" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-left" title="en/CSS/border-left"><code>border-left</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-shorthands" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-left-color" title="en/CSS/border-left-color"><code>border-left-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-color" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-left-style" title="en/CSS/border-left-style"><code>border-left-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-style" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-left-width" title="en/CSS/Border-left-width"><code>border-left-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-width" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>border-radius</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-radius" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-border-radius" title="en/CSS/-moz-border-radius"><code>-moz-border-radius</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><a href="/en/CSS/border-right" title="en/CSS/border-right"><code>border-right</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-shorthands" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-right-color" title="en/CSS/border-right-color"><code>border-right-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-color" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-right-style" title="en/CSS/border-right-style"><code>border-right-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-style" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-right-width" title="en/CSS/Border-right-width"><code>border-right-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-width" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-spacing" title="en/CSS/border-spacing"><code>border-spacing</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/tables.html#propdef-border-spacing" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-style" title="en/CSS/border-style"><code>border-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-style" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-top" title="en/CSS/border-top"><code>border-top</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-shorthands" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-top-color" title="en/CSS/border-top-color"><code>border-top-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-color" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>border-top-left-radius</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-radius" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-border-radius-topleft" title="en/CSS/-moz-border-radius-topleft"><code>-moz-border-radius-topleft</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>border-top-right-radius</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-radius" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-border-radius-topright" title="en/CSS/-moz-border-radius-topright"><code>-moz-border-radius-topright</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><a href="/en/CSS/border-top-style" title="en/CSS/border-top-style"><code>border-top-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-style" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-top-width" title="en/CSS/Border-top-width"><code>border-top-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-width" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/border-width" title="en/CSS/border-width"><code>border-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-border-width" rel="external">CSS 3 (Background)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/bottom" title="en/CSS/Bottom"><code>bottom</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-bottom" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>box-align</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-align" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-align" title="en/CSS/-moz-box-align"><code>-moz-box-align</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-decoration-break</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-box-decoration-break" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>box-direction</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-direction" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-direction" title="en/CSS/-moz-box-direction"><code>-moz-box-direction</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-flex</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-flex" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-flex" title="en/CSS/-moz-box-flex"><code>-moz-box-flex</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-flex-group</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-flex-group" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-flex-group" title="en/CSS/-moz-box-flex-group"><code>-moz-box-flex-group</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-lines</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-lines" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>box-ordinal-group</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-ordinal-group" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-ordinal-group" title="en/CSS/-moz-box-ordinal-group"><code>-moz-box-ordinal-group</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-orient</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-orient" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-orient" title="en/CSS/-moz-box-orient"><code>-moz-box-orient</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-pack</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-flexbox/#propdef-box-pack" rel="external">CSS 3 (Flexbox)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-pack" title="en/CSS/-moz-box-pack"><code>-moz-box-pack</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><code>box-shadow</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-background/#the-box-shadow" rel="external">CSS 3 (Background)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-shadow" title="en/CSS/-moz-box-shadow"><code>-moz-box-shadow</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>box-sizing</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#box-sizing0" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-box-sizing" title="en/CSS/-moz-box-sizing"><code>-moz-box-sizing</code></a> is supported since Gecko 1.0 .</td> </tr> <tr> <td><a href="/en/CSS/caption-side" title="en/CSS/caption-side"><code>caption-side</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/tables.html#propdef-caption-side" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.4</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/clear" title="en/CSS/clear"><code>clear</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-clear" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/clip" title="en/CSS/clip"><code>clip</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visufx.html#propdef-clip" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color" title="en/CSS/color"><code>color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#color0" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>column-count</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-count" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-column-count" title="en/CSS/-moz-column-count"><code>-moz-column-count</code></a> is supported since Gecko 1.8 .</td> </tr> <tr> <td><code>column-fill</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-fill" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>column-gap</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-gap" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-column-gap" title="en/CSS/-moz-column-gap"><code>-moz-column-gap</code></a> is supported since Gecko 1.8 .</td> </tr> <tr> <td><code>column-rule</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-rule" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-column-rule" title="en/CSS/-moz-column-rule"><code>-moz-column-rule</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>column-rule-color</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-rule-color" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-column-rule-color" title="en/CSS/-moz-column-rule-color"><code>-moz-column-rule-color</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>column-rule-style</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-rule-style" rel="external">CSS 3 (MutliCol)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-column-rule-style" title="en/CSS/-moz-column-rule-style"><code>-moz-column-rule-style</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>column-rule-width</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-rule-width" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-column-rule-width" title="en/CSS/-moz-column-rule-width"><code>-moz-column-rule-width</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>column-span</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-span" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>column-width</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#column-width" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-column-width" title="en/CSS/-moz-column-width"><code>-moz-column-width</code></a> is supported since Gecko 1.8 .</td> </tr> <tr> <td><code>columns</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-multicol/#columns" rel="external">CSS 3 (MultiCol)</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("435442") }}.</td> </tr> <tr> <td><a href="/en/CSS/content" title="en/CSS/content"><code>content</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-content" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/counter-increment" title="en/CSS/counter-increment"><code>counter-increment</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-counter-increment" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/counter-reset" title="en/CSS/counter-reset"><code>counter-reset</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-counter-reset" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/cursor" title="en/CSS/cursor"><code>cursor</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/ui.html#propdef-cursor" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/direction" title="en/CSS/direction"><code>direction</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-direction" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/display" title="en/CSS/display"><code>display</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-display" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/empty-cells" title="en/CSS/empty-cells"><code>empty-cells</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/tables.html#propdef-empty-cells" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/float" title="en/CSS/float"><code>float</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-float" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/font" title="en/CSS/font"><code>font</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/font-family" title="en/CSS/font-family"><code>font-family</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font-family" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/font-size" title="en/CSS/font-size"><code>font-size</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font-size" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/font-size-adjust" title="en/CSS/font-size-adjust"><code>font-size-adjust</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-fonts/#font-size-adjust" rel="external">CSS 3 (Fonts)</a></td> <td>Yes</td> <td>1.0 (1.9)</td> <td>Prior to Gecko 1.9 this was supported only on windows.</td> </tr> <tr> <td><code>font-stretch</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-fonts/#font-stretch" rel="external">CSS 3 (Fonts)</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("3512") }}.</td> </tr> <tr> <td><a href="/en/CSS/font-style" title="en/CSS/font-style"><code>font-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font-style" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/font-variant" title="en/CSS/font-variant"><code>font-variant</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font-variant" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/font-weight" title="en/CSS/font-weight"><code>font-weight</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font-weight" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/height" title="en/CSS/height"><code>height</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-height" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/left" title="en/CSS/Left"><code>left</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-left" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/letter-spacing" title="en/CSS/letter-spacing"><code>letter-spacing</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-letter-spacing" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/line-height" title="en/CSS/line-height"><code>line-height</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-line-height" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/list-style" title="en/CSS/list-style"><code>list-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-list-style" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/list-style-image" title="en/CSS/list-style-image"><code>list-style-image</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-image" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/list-style-position" title="en/CSS/list-style-position"><code>list-style-position</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-position" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/list-style-type" title="en/CSS/list-style-type"><code>list-style-type</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-type" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/margin" title="en/CSS/margin"><code>margin</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-margin" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/margin-bottom" title="en/CSS/margin-bottom"><code>margin-bottom</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-margin-bottom" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/margin-left" title="en/CSS/margin-left"><code>margin-left</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-margin-left" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/margin-right" title="en/CSS/margin-right"><code>margin-right</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-margin-right" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/margin-top" title="en/CSS/margin-top"><code>margin-top</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-margin-top" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/max-height" title="en/CSS/max-height"><code>max-height</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-max-height" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.7</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/max-width" title="en/CSS/max-width"><code>max-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-max-width" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/min-height" title="en/CSS/min-height"><code>min-height</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-min-height" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.7</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/opacity" title="en/CSS/opacity"><code>opacity</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#opacity" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.7</td> <td>-</td> </tr> <tr> <td><code>orphans</code></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/page.html#propdef-orphans" rel="external">CSS 2.1</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("137367") }}.</td> </tr> <tr> <td><a href="/en/CSS/outline" title="en/CSS/outline"><code>outline</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/ui.html#propdef-outline" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/outline-color" title="en/CSS/outline-color"><code>outline-color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/ui.html#propdef-outline-color" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/outline-offset" title="en/CSS/outline-offset"><code>outline-offset</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#outline-offset0" rel="external">CSS 3 (UI)</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/outline-style" title="en/CSS/outline-style"><code>outline-style</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/ui.html#propdef-outline-style" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/outline-width" title="en/CSS/outline-width"><code>outline-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/ui.html#propdef-outline-width" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/overflow" title="en/CSS/overflow"><code>overflow</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visufx.html#propdef-overflow" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/Overflow-x" title="en/CSS/overflow-x"><code>overflow-x</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-box/#overflow-x" rel="external">CSS 3 (Box)</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/Overflow-y" title="en/CSS/overflow-y"><code>overflow-y</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-box/#overflow-y" rel="external">CSS 3 (Box)</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/padding" title="en/CSS/padding"><code>padding</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-padding" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/padding-bottom" title="en/CSS/padding-bottom"><code>padding-bottom</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-padding-bottom" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/padding-left" title="en/CSS/padding-left"><code>padding-left</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-padding-left" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/padding-right" title="en/CSS/padding-right"><code>padding-right</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-padding-right" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/padding-top" title="en/CSS/padding-top"><code>padding-top</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/box.html#propdef-padding-top" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/page-break-after" title="en/CSS/page-break-after"><code>page-break-after</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/page.html#propdef-page-break-after" rel="external">CSS 2.1</a></td> <td>No</td> <td>-</td> <td rowspan="3">See {{ Bug("132035") }}.</td> </tr> <tr> <td><a href="/en/CSS/page-break-before" title="en/CSS/page-break-before"><code>page-break-before</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/page.html#propdef-page-break-before" rel="external">CSS 2.1</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/page-break-inside" title="en/CSS/page-break-inside"><code>page-break-inside</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/page.html#propdef-page-break-inside" rel="external">CSS 2.1</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/position" title="en/CSS/position"><code>position</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-position" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/quotes" title="en/CSS/quotes"><code>quotes</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/generate.html#propdef-quotes" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>resize</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-ui/#resize0" rel="external">CSS 3 (UI)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-resize" title="en/CSS/-moz-resize"><code>-moz-resize</code></a> is supported since Gecko 2.</td> </tr> <tr> <td><a href="/en/CSS/right" title="en/CSS/Right"><code>right</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-right" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/table-layout" title="en/CSS/table-layout"><code>table-layout</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/tables.html#propdef-table-layout" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/text-align" title="en/CSS/text-align"><code>text-align</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-text-align" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/text-decoration" title="en/CSS/text-decoration"><code>text-decoration</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-text-decoration" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/text-indent" title="en/CSS/text-indent"><code>text-indent</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-text-indent" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/text-shadow" title="en/CSS/text-shadow"><code>text-shadow</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-text/#text-shadow" rel="external">CSS 3 (Text)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/text-transform" title="en/CSS/text-transform"><code>text-transform</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-text-transform" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/top" title="en/CSS/Top"><code>top</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-top" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>transform</code> (2D)</td> <td><a class="external" href="http://www.w3.org/TR/css3-2d-transforms/#transform-property" rel="external">CSS 3 (2D Transforms)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-transform" title="en/CSS/-moz-transform"><code>-moz-transform</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>transform-origin</code> (2D)</td> <td><a class="external" href="http://www.w3.org/TR/css3-2d-transforms/#transform-origin-property" rel="external">CSS 3 (2D Transforms)</a></td> <td>No</td> <td>-</td> <td><a href="/En/CSS/-moz-transform-origin" title="en/CSS/-moz-transform-origin"><code>-moz-transform-origin</code></a> is supported since Gecko 1.9.1 .</td> </tr> <tr> <td><code>transition</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-transitions/#transition" rel="external">CSS 3 (Transitions)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-transition" title="en/CSS/-moz-transition"><code>-moz-transition</code></a> is supported since Gecko 2.</td> </tr> <tr> <td><code>transition-delay</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-transitions/#transition-delay" rel="external">CSS 3 (Transitions)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-transition-delay" title="en/CSS/-moz-transition-delay"><code>-moz-transition-delay</code></a> is supported since Gecko 2.</td> </tr> <tr> <td><code>transition-duration</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-transitions/#transition-duration" rel="external">CSS 3 (Transitions)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-transition-duration" title="en/CSS/-moz-transition-duration"><code>-moz-transition-duration</code></a> is supported since Gecko 2.</td> </tr> <tr> <td><code>transition-property</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-transitions/#transition-property" rel="external">CSS 3 (Transitions)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-transition-property" title="en/CSS/-moz-transition-property"><code>-moz-transition-property</code></a> is supported since Gecko 2.</td> </tr> <tr> <td><code>transition-timing-function</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-transitions/#transition-timing-function" rel="external">CSS 3 (Transitions)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-transition-timing-function" title="en/CSS/-moz-transition-timing-function"><code>-moz-transition-timing-function</code></a> is supported since Gecko 2.</td> </tr> <tr> <td><a href="/en/CSS/unicode-bidi" title="en/CSS/unicode-bidi"><code>unicode-bidi</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-unicode-bidi" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/vertical-align" title="en/CSS/vertical-align"><code>vertical-align</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-vertical-align" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/visibility" title="en/CSS/visibility"><code>visibility</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visufx.html#propdef-visibility" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.3</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/white-space" title="en/CSS/white-space"><code>white-space</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-white-space" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/widows" title="en/CSS/widows"><code>widows</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/page.html#propdef-widows" rel="external">CSS 2.1</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("137367") }}.</td> </tr> <tr> <td><a href="/en/CSS/width" title="en/CSS/width"><code>width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-width" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>word-break</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-text/#word-break" rel="external">CSS 3 (Text)</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("249159") }}.</td> </tr> <tr> <td><a href="/en/CSS/word-spacing" title="en/CSS/word-spacing"><code>word-spacing</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/text.html#propdef-word-spacing" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/Word-wrap" title="en/CSS/word-wrap"><code>word-wrap</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-text/#word-wrap" rel="external">CSS 3 (Text)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/z-index" title="en/CSS/z-index"><code>z-index</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-z-index" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> </tbody>
</table>
<h2>@-rules</h2>
<table class="fullwidth-table"> <tbody> <tr> <th>Rule</th> <th>Specification</th> <th>Supported</th> <th>Supported since</th> <th>Notes</th> </tr> <tr> <td><a href="/en/CSS/@charset" title="en/CSS/@charset"><code>@charset</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/syndata.html#q23" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/@font-face" title="en/CSS/@font-face"><code>@font-face</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-fonts/#the-font-face-rule" rel="external">CSS 3 (Fonts)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/@import" title="en/CSS/@import"><code>@import</code></a></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/cascade.html#at-import" rel="external">CSS 2.1</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>@keyframes</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-animations/#keyframes-" rel="external">CSS 3 (Animations)</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("435442") }}.</td> </tr> <tr> <td><a href="/en/CSS/@media" title="en/CSS/@media"><code>@media</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#background" rel="external">CSS 3 (Media Queries)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/@namespace" title="en/CSS/@namespace"><code>@namespace</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-namespace/#q2" rel="external">CSS 3 (Namespace)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>@page</code></td> <td><a class="external" href="http://www.w3.org/TR/CSS21/page.html#page-box" rel="external">CSS 2.1</a></td> <td>No</td> <td>-</td> <td>See {{ Bug("115199") }}.</td> </tr> </tbody>
</table>
<h2>Media queries</h2>
<table class="fullwidth-table"> <tbody> <tr> <th>Property</th> <th>Specification</th> <th>Supported</th> <th>Supported since</th> <th>Notes</th> </tr> <tr> <td><a href="/en/Media_Queries#aspect-ratio" title="en/Media_Queries#aspect-ratio"><code>aspect-ratio</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#aspect-ratio" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#color" title="en/Media_Queries#color"><code>color</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#color" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#color-index" title="en/Media_Queries#color-index"><code>color-index</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#color-index" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#device-aspect-ratio" title="en/Media_Queries#device-aspect-ratio"><code>device-aspect-ratio</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#device-aspect-ratio" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#device-height" title="en/Media_Queries#device-height"><code>device-height</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#device-height" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#device-width" title="en/Media_Queries#device-width"><code>device-width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#device-width" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#grid" title="en/Media_Queries#grid"><code>grid</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#grid" rel="external">CSS 3 (MediaQueries)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#height" title="en/Media_Queries#height"><code>height</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#height" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#monochrome" title="en/Media_Queries#monochrome"><code>monochrome</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#monochrome" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#orientation" title="en/Media_Queries#orientation"><code>orientation</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#orientation" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#resolution" title="en/Media_Queries#resolution"><code>resolution</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#resolution" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#scan" title="en/Media_Queries#scan"><code>scan</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#scan" rel="external">CSS 3 (MediaQueries)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><a href="/en/Media_Queries#width" title="en/Media_Queries#width"><code>width</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#width" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> </tbody>
</table>
<h2>Values and Units</h2>
<table class="fullwidth-table"> <tbody> <tr> <th>Value / Unit</th> <th>Specification</th> <th>Supported</th> <th>Supported since</th> <th>Notes</th> </tr> <tr> <th colspan="5">Keywords</th> </tr> <tr> <td><a href="/en/CSS/inherit" title="en/CSS/inherit"><code>inherit</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-cascade/#inheritance" rel="external">CSS 3 (Cascade)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>initial</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-cascade/#initial0" rel="external">CSS 3 (Cascade)</a></td> <td>No</td> <td>-</td> <td><a class="new " href="/en/CSS/-moz-initial" rel="internal"><code>-moz-initial</code></a> is supported since Gecko 1.9.</td> </tr> <tr> <th colspan="5">Functions</th> </tr> <tr> <td><a href="/en/CSS/attr" title="en/CSS/attr"><code>attr()</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#attribute" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>1.0</td> <td>Only supported for text in <code>content</code> properties. See {{ Bug("363249") }}.</td> </tr> <tr> <td><code>calc()</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#calc" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-calc" title="en/CSS/-moz-calc"><code>-moz-calc</code></a> is supported since Gecko 2. See {{ Bug("363249") }}.</td> </tr> <tr> <td><a href="/en/CSS/counter" title="en/CSS/counter"><code>counter()</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#the-counter" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/uri" title="en/CSS/uri"><code>url()</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#uris" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <th colspan="5">Colors</th> </tr> <tr> <td><a href="/en/CSS/color_value#HTML.2fSVG.2fX11.c2.a0_Color_Keywords" title="en/CSS/color_value#HTML.2fSVG.2fX11.c2.a0_Color_Keywords">HTML4 color keywords</a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#html4" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#HTML.2fSVG.2fX11.c2.a0_Color_Keywords" title="en/CSS/color_value#HTML.2fSVG.2fX11.c2.a0_Color_Keywords">SVG color keywords</a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#svg-color" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#System_Colors" title="en/CSS/color_value#System_Colors">System colors</a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#css-system" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#RGB_(red-green-blue)" title="en/CSS/color_value#RGB_(red-green-blue)">RGB</a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#rgb-color" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#RGBa_(red-green-blue-alpha)_rgba(R.2cG.2cB.2ca)" title="en/CSS/color_value#RGBa_(red-green-blue-alpha)_rgba(R.2cG.2cB.2ca)"><code>rgba(r,g,b,a)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#rgba-color" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.9</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#HSL_(hue-saturation-lightness)_hsl(H.2cS.2cL)" title="en/CSS/color_value#HSL_(hue-saturation-lightness)_hsl(H.2cS.2cL)"><code>hsl(h,s,l)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#hsl-color" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.5</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#HSLa_(hue-saturation-lightness-alpha)_hsla(H.2cS.2cL.2ca)" title="en/CSS/color_value#HSLa_(hue-saturation-lightness-alpha)_hsla(H.2cS.2cL.2ca)"><code>hsla(h,s,l,a)</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#hsla-color" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.9</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#currentColor_Keyword" title="en/CSS/color_value#currentColor_Keyword"><code>currentColor</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#currentcolor" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.8</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/color_value#transparent_Keyword" title="en/CSS/color_value#transparent_Keyword"><code>transparent</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-color/#transparent" rel="external">CSS 3 (Color)</a></td> <td>Yes</td> <td>1.9</td> <td>-</td> </tr> <tr> <th colspan="5">Units</th> </tr> <tr> <td><a href="/en/CSS/percentage" title="en/CSS/percentage"><code>%</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#percentages" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Relative_length_units" title="en/CSS/length#Relative_length_units"><code>ch</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#relative0" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Absolute_length_units" title="en/CSS/length#Absolute_length_units"><code>cm</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#absolute0" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/angle" title="en/CSS/angle"><code>deg</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#angles" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/Resolution" title="en/CSS/resolution"><code>dpcm</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#units" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/En/CSS/Resolution" title="en/CSS/resolution"><code>dpi</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-mediaqueries/#units" rel="external">CSS 3 (MediaQueries)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Relative_length_units" title="en/CSS/length#Relative_length_units"><code>em</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#em" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Relative_length_units" title="en/CSS/length#Relative_length_units"><code>ex</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#ex" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>gd</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#gd" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/angle" title="en/CSS/angle"><code>grad</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#angles" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><code>Hz</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#frequencies" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Absolute_length_units" title="en/CSS/length#Absolute_length_units"><code>in</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#absolute0" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><code>kHz</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#frequencies" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Absolute_length_units" title="en/CSS/length#Absolute_length_units"><code>mm</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#absolute0" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/time" title="en/CSS/time"><code>ms</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#times" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>2</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Absolute_length_units" title="en/CSS/length#Absolute_length_units"><code>pc</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#absolute0" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Relative_length_units" title="en/CSS/length#Relative_length_units"><code>px</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#px" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Absolute_length_units" title="en/CSS/length#Absolute_length_units"><code>pt</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#absolute0" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.0</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/angle" title="en/CSS/angle"><code>rad</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#angles" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.9.1</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/length#Relative_length_units" title="en/CSS/length#Relative_length_units"><code>rem</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#rem" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>1.9.2</td> <td>-</td> </tr> <tr> <td><a href="/en/CSS/time" title="en/CSS/time"><code>s</code></a></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#times" rel="external">CSS 3 (Values)</a></td> <td>Yes</td> <td>2</td> <td>-</td> </tr> <tr> <td><code>turn</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#angles" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>vh</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#vh" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> <td rowspan="3">See {{ Bug("503720") }}.</td> </tr> <tr> <td><code>vm</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#vm" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> </tr> <tr> <td><code>vw</code></td> <td><a class="external" href="http://www.w3.org/TR/css3-values/#vw" rel="external">CSS 3 (Values)</a></td> <td>No</td> <td>-</td> </tr> <tr> <th colspan="5">Images and gradients</th> </tr> <tr> <td><code>image()</code></td> <td><a class="external" href="http://dev.w3.org/csswg/css3-images/#image-notation" rel="external">CSS 3 (Images)</a></td> <td>No</td> <td>-</td> <td>-</td> </tr> <tr> <td><code>linear-gradient()</code></td> <td><a class="external" href="http://dev.w3.org/csswg/css3-images/#linear-gradients" rel="external">CSS 3 (Images)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-linear-gradient" title="en/CSS/-moz-linear-gradient"><code>-moz-linear-gradient()</code></a> is supported since Gecko 1.9.2.</td> </tr> <tr> <td><code>radial-gradient()</code></td> <td><a class="external" href="http://dev.w3.org/csswg/css3-images/#radial-gradients" rel="external">CSS 3 (Images)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-radial-gradient" title="en/CSS/-moz-radial-gradient"><code>-moz-radial-gradient()</code></a> is supported since Gecko 1.9.2.</td> </tr> <tr> <td><code>repeating-linear-gradient()</code></td> <td><a class="external" href="http://dev.w3.org/csswg/css3-images/#linear-gradients" rel="external">CSS 3 (Images)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-repeating-linear-gradient" title="en/CSS/-moz-repeating-linear-gradient"><code>-moz-repeating-linear-gradient()</code></a> is supported since Gecko 1.9.2.</td> </tr> <tr> <td><code>repeating-radial-gradient()</code></td> <td><a class="external" href="http://dev.w3.org/csswg/css3-images/#radial-gradients" rel="external">CSS 3 (Images)</a></td> <td>No</td> <td>-</td> <td><a href="/en/CSS/-moz-repeating-radial-gradient" title="en/CSS/-moz-repeating-radial-gradient"><code>-moz-repeating-radial-gradient()</code></a> is supported since Gecko 1.9.2.</td> </tr> </tbody>
</table>
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