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  1. Web 开发技术
  2. CSS：层叠样式表
  3. CSS Backgrounds and Borders
  4. Border-image 生成器

此页面由社区从英文翻译而来。了解更多并加入 MDN Web Docs 社区。

  1. CSS
  2. 教程
  3. CSS 基础
  4. CSS 第一步
    1. CSS 第一步概述
    2. 什么是 CSS?
    3. CSS 入门
    4. CSS 的结构是怎样的
    5. CSS 是如何工作的
    6. 测验：为传记页面添加样式
  5. CSS 构建
    1. CSS 构建基础概述
    2. 级联与继承
    3. CSS 选择器
    4. 盒子模型
    5. 背景和边框
    6. 处理不同方向的文本
    7. 溢出
    8. CSS 值和单位
    9. 在 CSS 中调整大小
    10. 图像、媒体和表单元素
    11. 样式化表格
    12. 调试 CSS
    13. 组织你的 CSS
    14. 测验：基本的 CSS 理解
    15. 测验：创建精美的信纸
    16. 测验：一个漂亮的盒子
  6. 样式化文本
    1. 样式化文本概述
    2. 基础文本与字体样式化
    3. 样式化列表
    4. 样式化链接
    5. Web 字体
    6. 测验：排版社区大学首页
  7. CSS 布局概述
    1. CSS 布局概述
    2. Introduction to CSS layout
    3. 一般的流布局
    4. Flex 布局
    5. 网格
    6. 浮动
    7. 定位
    8. 多栏式布局
    9. 响应式布局
    10. 媒体查询入门指南
    11. 传统的布局方法
    12. 支持旧版浏览器
    13. 测验：对布局基础知识的理解
  8. 参考
  9. Modules
    1. CSS compositing and blending (en-US)
    2. CSS animations
    3. CSS Backgrounds and Borders
    4. CSS Basic User Interface
    5. CSS Box Alignment
    6. CSS Box Model
    7. CSS Charsets (en-US)
    8. CSS Colors
    9. CSS Multi-column Layout
    10. CSS Conditional Rules
    11. CSS Containment
    12. CSS Counter Styles
    13. CSS Display (en-US)
    14. CSS Flexible Box Layout
    15. CSS Fonts
    16. CSS Fragmentation
    17. CSS Generated Content
    18. CSS Grid Layout
    19. CSS Images (en-US)
    20. CSS Lists (en-US)
    21. CSS Logical Properties and Values
    22. CSS Masking
    23. CSS Miscellaneous (en-US)
    24. CSS Motion Path (en-US)
    25. CSS Namespaces (en-US)
    26. CSS Overflow (en-US)
    27. CSS Paged Media (en-US)
    28. CSS Positioned Layout
    29. CSS Ruby Layout (en-US)
    30. CSS Scroll Snap
    31. CSS Scroll Snap Points (en-US)
    32. CSS Scrollbars
    33. CSS Shapes
    34. CSS Table
    35. CSS Text
    36. CSS Text Decoration
    37. CSS Transforms
    38. CSS Transitions
    39. CSS Custom Properties for Cascading Variables (en-US)
    40. CSS Writing Modes
    41. CSSOM View
    42. Filter Effects (en-US)
    43. Media queries
    44. Paged media
  10. Properties
    1. -webkit-*
      1. -webkit-line-clamp
      2. -webkit-text-fill-color (en-US)
      3. -webkit-text-stroke
      4. -webkit-text-stroke-color (en-US)
      5. -webkit-text-stroke-width (en-US)
    2. accent-color (en-US)
    3. align-*
      1. align-content
      2. align-items
      3. align-self
      4. align-tracks (en-US) Experimental
    4. all
    5. animation-*
      1. animation
      2. animation-composition (en-US) Experimental
      3. animation-delay
      4. animation-direction
      5. animation-duration
      6. animation-fill-mode
      7. animation-iteration-count
      8. animation-name
      9. animation-play-state
      10. animation-timeline (en-US) Experimental
      11. animation-timing-function
    6. appearance
    7. aspect-ratio
    8. backdrop-filter
    9. backface-visibility
    10. background-*
      1. background
      2. background-attachment
      3. background-blend-mode
      4. background-clip
      5. background-color
      6. background-image
      7. background-origin
      8. background-position
      9. background-position-x
      10. background-position-y
      11. background-repeat
      12. background-size
    11. block-size
    12. border-*
      1. border
      2. border-block
      3. border-block-color (en-US)
      4. border-block-end
      5. border-block-end-color (en-US)
      6. border-block-end-style (en-US)
      7. border-block-end-width (en-US)
      8. border-block-start (en-US)
      9. border-block-start-color (en-US)
      10. border-block-start-style (en-US)
      11. border-block-start-width (en-US)
      12. border-block-style (en-US)
      13. border-block-width (en-US)
      14. border-bottom
      15. border-bottom-color
      16. border-bottom-left-radius
      17. border-bottom-right-radius
      18. border-bottom-style
      19. border-bottom-width
      20. border-collapse
      21. border-color
      22. border-end-end-radius (en-US)
      23. border-end-start-radius (en-US)
      24. border-image
      25. border-image-outset
      26. border-image-repeat
      27. border-image-slice
      28. border-image-source
      29. border-image-width
      30. border-inline (en-US)
      31. border-inline-color
      32. border-inline-end (en-US)
      33. border-inline-end-color (en-US)
      34. border-inline-end-style (en-US)
      35. border-inline-end-width (en-US)
      36. border-inline-start (en-US)
      37. border-inline-start-color (en-US)
      38. border-inline-start-style (en-US)
      39. border-inline-start-width (en-US)
      40. border-inline-style (en-US)
      41. border-inline-width (en-US)
      42. border-left
      43. border-left-color
      44. border-left-style
      45. border-left-width
      46. border-radius
      47. border-right
      48. border-right-color
      49. border-right-style
      50. border-right-width
      51. border-spacing
      52. border-start-end-radius (en-US)
      53. border-start-start-radius (en-US)
      54. border-style
      55. border-top
      56. border-top-color
      57. border-top-left-radius
      58. border-top-right-radius
      59. border-top-style
      60. border-top-width
      61. border-width
    13. bottom
    14. box-*
      1. box-decoration-break
      2. box-shadow
      3. box-sizing
    15. break-*
      1. break-after
      2. break-before
      3. break-inside
    16. caption-side
    17. caret-color
    18. clear
    19. clip Deprecated
    20. clip-path
    21. color
    22. color-scheme
    23. column-*
      1. column-count
      2. column-fill
      3. column-gap
      4. column-rule
      5. column-rule-color
      6. column-rule-style
      7. column-rule-width
      8. column-span
      9. column-width (en-US)
    24. columns
    25. contain-*
      1. contain
      2. contain-intrinsic-block-size (en-US)
      3. contain-intrinsic-height (en-US)
      4. contain-intrinsic-inline-size (en-US)
      5. contain-intrinsic-size (en-US)
      6. contain-intrinsic-width (en-US)
    26. container-*
      1. container (en-US)
      2. container-name (en-US)
      3. container-type (en-US)
    27. content
    28. content-visibility (en-US)
    29. counter-*
      1. counter-increment
      2. counter-reset
      3. counter-set (en-US)
    30. cursor
    31. direction
    32. display
    33. empty-cells
    34. filter
    35. flex-*
      1. flex
      2. flex-basis
      3. flex-direction
      4. flex-flow
      5. flex-grow
      6. flex-shrink
      7. flex-wrap
    36. float
    37. font-*
      1. font
      2. font-family
      3. font-feature-settings
      4. font-kerning
      5. font-language-override
      6. font-optical-sizing (en-US)
      7. font-palette
      8. font-size
      9. font-size-adjust
      10. font-stretch
      11. font-style
      12. font-synthesis
      13. font-variant
      14. font-variant-alternates
      15. font-variant-caps
      16. font-variant-east-asian (en-US)
      17. font-variant-emoji (en-US)
      18. font-variant-ligatures
      19. font-variant-numeric
      20. font-variant-position
      21. font-variation-settings
      22. font-weight
    38. forced-color-adjust (en-US)
    39. gap
    40. grid-*
      1. grid
      2. grid-area
      3. grid-auto-columns
      4. grid-auto-flow
      5. grid-auto-rows
      6. grid-column
      7. grid-column-end (en-US)
      8. grid-column-start (en-US)
      9. grid-row
      10. grid-row-end (en-US)
      11. grid-row-start (en-US)
      12. grid-template
      13. grid-template-areas
      14. grid-template-columns
      15. grid-template-rows
    41. hanging-punctuation
    42. height
    43. hyphenate-character (en-US)
    44. hyphenate-limit-chars (en-US)
    45. hyphens
    46. image-*
      1. image-orientation
      2. image-rendering
      3. image-resolution (en-US) Experimental
    47. ime-mode (en-US) Deprecated
    48. initial-letter (en-US) Experimental
    49. initial-letter-align (en-US) Experimental
    50. inline-size
    51. inset-*
      1. inset (en-US)
      2. inset-block (en-US)
      3. inset-block-end (en-US)
      4. inset-block-start (en-US)
      5. inset-inline (en-US)
      6. inset-inline-end (en-US)
      7. inset-inline-start (en-US)
    52. isolation
    53. justify-*
      1. justify-content
      2. justify-items
      3. justify-self
      4. justify-tracks (en-US) Experimental
    54. left
    55. letter-spacing
    56. line-*
      1. line-break
      2. line-height
      3. line-height-step (en-US) Experimental
    57. list-*
      1. list-style
      2. list-style-image
      3. list-style-position
      4. list-style-type
    58. margin-*
      1. margin
      2. margin-block
      3. margin-block-end (en-US)
      4. margin-block-start
      5. margin-bottom
      6. margin-inline (en-US)
      7. margin-inline-end (en-US)
      8. margin-inline-start (en-US)
      9. margin-left
      10. margin-right
      11. margin-top
      12. margin-trim (en-US) Experimental
    59. mask-*
      1. mask
      2. mask-border
      3. mask-border-mode
      4. mask-border-outset (en-US)
      5. mask-border-repeat
      6. mask-border-slice
      7. mask-border-source (en-US)
      8. mask-border-width
      9. mask-clip (en-US)
      10. mask-composite (en-US)
      11. mask-image
      12. mask-mode
      13. mask-origin (en-US)
      14. mask-position (en-US)
      15. mask-repeat
      16. mask-size (en-US)
      17. mask-type (en-US)
    60. masonry-auto-flow (en-US) Experimental
    61. math-*
      1. math-depth (en-US) Experimental
      2. math-shift (en-US) Experimental
      3. math-style (en-US)
    62. max-*
      1. max-block-size (en-US)
      2. max-height
      3. max-inline-size (en-US)
      4. max-width
    63. min-*
      1. min-block-size (en-US)
      2. min-height
      3. min-inline-size (en-US)
      4. min-width
    64. mix-blend-mode
    65. object-fit
    66. object-position
    67. offset-*
      1. offset
      2. offset-anchor (en-US)
      3. offset-distance (en-US)
      4. offset-path (en-US)
      5. offset-position (en-US) Experimental
      6. offset-rotate (en-US)
    68. opacity
    69. order
    70. orphans (en-US)
    71. outline-*
      1. outline
      2. outline-color
      3. outline-offset
      4. outline-style
      5. outline-width
    72. overflow-*
      1. overflow
      2. overflow-anchor
      3. overflow-block
      4. overflow-clip-margin (en-US)
      5. overflow-inline (en-US)
      6. overflow-wrap
      7. overflow-x
      8. overflow-y
    73. overscroll-*
      1. overscroll-behavior
      2. overscroll-behavior-block (en-US)
      3. overscroll-behavior-inline (en-US)
      4. overscroll-behavior-x
      5. overscroll-behavior-y
    74. padding-*
      1. padding
      2. padding-block (en-US)
      3. padding-block-end (en-US)
      4. padding-block-start (en-US)
      5. padding-bottom
      6. padding-inline (en-US)
      7. padding-inline-end (en-US)
      8. padding-inline-start
      9. padding-left
      10. padding-right
      11. padding-top
    75. page-*
      1. page-break-after
      2. page-break-before (en-US)
      3. page-break-inside
    76. paint-order
    77. perspective
    78. perspective-origin
    79. place-*
      1. place-content
      2. place-items
      3. place-self (en-US)
    80. pointer-events
    81. position
    82. print-color-adjust (en-US)
    83. quotes
    84. resize
    85. right
    86. rotate
    87. row-gap
    88. ruby-align (en-US) Experimental
    89. ruby-position (en-US)
    90. scale
    91. scroll-*
      1. scroll-behavior
      2. scroll-margin
      3. scroll-margin-block (en-US)
      4. scroll-margin-block-end (en-US)
      5. scroll-margin-block-start (en-US)
      6. scroll-margin-bottom (en-US)
      7. scroll-margin-inline (en-US)
      8. scroll-margin-inline-end (en-US)
      9. scroll-margin-inline-start (en-US)
      10. scroll-margin-left (en-US)
      11. scroll-margin-right (en-US)
      12. scroll-margin-top
      13. scroll-padding (en-US)
      14. scroll-padding-block (en-US)
      15. scroll-padding-block-end (en-US)
      16. scroll-padding-block-start (en-US)
      17. scroll-padding-bottom (en-US)
      18. scroll-padding-inline (en-US)
      19. scroll-padding-inline-end (en-US)
      20. scroll-padding-inline-start (en-US)
      21. scroll-padding-left (en-US)
      22. scroll-padding-right (en-US)
      23. scroll-padding-top (en-US)
      24. scroll-snap-align (en-US)
      25. scroll-snap-stop (en-US)
      26. scroll-snap-type
      27. scroll-timeline (en-US) Experimental
      28. scroll-timeline-axis (en-US) Experimental
      29. scroll-timeline-name (en-US) Experimental
    92. scrollbar-*
      1. scrollbar-color
      2. scrollbar-gutter (en-US)
      3. scrollbar-width
    93. shape-*
      1. shape-image-threshold
      2. shape-margin
      3. shape-outside
    94. tab-size
    95. table-layout
    96. text-*
      1. text-align
      2. text-align-last
      3. text-combine-upright (en-US)
      4. text-decoration
      5. text-decoration-color
      6. text-decoration-line
      7. text-decoration-skip Experimental
      8. text-decoration-skip-ink (en-US)
      9. text-decoration-style
      10. text-decoration-thickness
      11. text-emphasis (en-US)
      12. text-emphasis-color (en-US)
      13. text-emphasis-position (en-US)
      14. text-emphasis-style (en-US)
      15. text-indent
      16. text-justify
      17. text-orientation
      18. text-overflow
      19. text-rendering
      20. text-shadow
      21. text-size-adjust Experimental
      22. text-transform
      23. text-underline-offset
      24. text-underline-position
    97. top
    98. touch-action
    99. transform-*
      1. transform
      2. transform-box
      3. transform-origin
      4. transform-style
    100. transition-*
      1. transition
      2. transition-delay
      3. transition-duration
      4. transition-property
      5. transition-timing-function
    101. translate
    102. unicode-bidi
    103. user-select
    104. vertical-align
    105. visibility
    106. white-space
    107. widows
    108. width
    109. will-change
    110. word-break
    111. word-spacing
    112. writing-mode
    113. z-index
  11. Selectors
    1. Attribute selectors
    2. Class selectors
    3. ID selectors
    4. Type selectors
    5. Universal selectors
  12. Combinators
    1. Adjacent sibling combinator
    2. Child combinator
    3. Column combinator Experimental
    4. Descendant combinator
    5. General sibling combinator
    6. Selector list
  13. Pseudo-classes
    1. :active
    2. :any-link
    3. :autofill (en-US)
    4. :blank Experimental
    5. :checked
    6. :current (en-US)
    7. :default
    8. :defined
    9. :dir()
    10. :disabled
    11. :empty
    12. :enabled
    13. :first
    14. :first-child
    15. :first-of-type
    16. :focus
    17. :focus-visible
    18. :focus-within
    19. :fullscreen
    20. :future (en-US)
    21. :has()
    22. :host
    23. :host-context()
    24. :host()
    25. :hover
    26. :in-range
    27. :indeterminate
    28. :invalid
    29. :is()
    30. :lang()
    31. :last-child
    32. :last-of-type
    33. :left
    34. :link
    35. :local-link (en-US)
    36. :modal (en-US)
    37. :not()
    38. :nth-child()
    39. :nth-col() (en-US)
    40. :nth-last-child()
    41. :nth-last-col() (en-US)
    42. :nth-last-of-type()
    43. :nth-of-type()
    44. :only-child
    45. :only-of-type
    46. :optional
    47. :out-of-range
    48. :past (en-US)
    49. :paused (en-US)
    50. :picture-in-picture
    51. :placeholder-shown
    52. :playing (en-US)
    53. :read-only
    54. :read-write
    55. :required
    56. :right
    57. :root
    58. :scope
    59. :target
    60. :target-within (en-US)
    61. :user-invalid (:-moz-ui-invalid) (en-US) Experimental
    62. :user-valid (:-moz-ui-valid) (en-US) Experimental
    63. :valid
    64. :visited
    65. :where()
  14. Pseudo-elements
    1. ::after
    2. ::backdrop
    3. ::before
    4. ::cue
    5. ::cue-region (en-US)
    6. ::file-selector-button
    7. ::first-letter
    8. ::first-line
    9. ::grammar-error Experimental
    10. ::marker
    11. ::part()
    12. ::placeholder
    13. ::selection
    14. ::slotted()
    15. ::spelling-error Experimental
    16. ::target-text (en-US) Experimental
  15. At-rules
    1. @charset
    2. @color-profile (en-US)
    3. @container (en-US)
    4. @counter-style
    5. @font-face
    6. @font-feature-values
    7. @font-palette-values (en-US)
    8. @import
    9. @keyframes
    10. @layer
    11. @media
    12. @namespace
    13. @page
    14. @property Experimental
    15. @supports
  16. Functions
    1. abs() (en-US) Experimental
    2. acos() (en-US)
    3. asin() (en-US)
    4. atan() (en-US)
    5. atan2() (en-US)
    6. attr()
    7. calc()
    8. clamp()
    9. cos() (en-US)
    10. counter()
    11. counters()
    12. cross-fade() (en-US)
    13. element() Experimental
    14. env()
    15. exp() (en-US) Experimental
    16. fit-content()
    17. hypot() (en-US) Experimental
    18. log() (en-US) Experimental
    19. max()
    20. min()
    21. minmax()
    22. mod() (en-US) Experimental
    23. path() (en-US)
    24. pow() (en-US) Experimental
    25. rem() (en-US) Experimental
    26. repeat()
    27. round() (en-US) Experimental
    28. sign() (en-US) Experimental
    29. sin() (en-US)
    30. sqrt() (en-US) Experimental
    31. symbols() (en-US)
    32. tan() (en-US)
    33. url()
    34. var()
  17. Types
    1. <alpha-value> (en-US)
    2. <angle>
    3. <angle-percentage>
    4. <basic-shape>
    5. <blend-mode>
    6. <calc-constant> (en-US)
    7. <calc-sum> (en-US)
    8. <color>
    9. <custom-ident>
    10. <dashed-ident> (en-US)
    11. <dimension>
    12. <display-box>
    13. <display-inside> (en-US)
    14. <display-internal>
    15. <display-legacy>
    16. <display-listitem> (en-US)
    17. <display-outside>
    18. <easing-function>
    19. <filter-function>
    20. <flex>
    21. <frequency>
    22. <frequency-percentage> (en-US)
    23. <gradient>
    24. <hex-color> (en-US)
    25. <ident> (en-US)
    26. <image>
    27. <integer>
    28. <length>
    29. <length-percentage>
    30. <named-color> (en-US)
    31. <number>
    32. <percentage>
    33. <position>
    34. <ratio>
    35. <resolution>
    36. <shape> (en-US) Deprecated
    37. <string>
    38. <system-color> (en-US)
    39. <time>
    40. <time-percentage>
    41. <transform-function>
    42. <translation-value> (en-US)
  18. 指南
  19. 动画
    1. 运用 CSS 动画
  20. 背景和边框
    1. 多个背景的应用
    2. 重设背景图片的大小
  21. 盒子的对齐方式
    1. 块布局中的对齐方式 (en-US)
    2. Flex 布局中的对齐方式
    3. Grid 布局中的盒模型对齐 (en-US)
    4. 多栏式布局中的对齐方式 (en-US)
  22. 盒子模型
    1. 盒子模型基础简介
    2. 外边距重叠
  23. 列
    1. 多列布局的基础概念
    2. 多列布局的样式 (en-US)
    3. 多列布局中的跨越与平衡 (en-US)
    4. 处理多列布局的溢出
    5. 多列布局中的内容换行 (en-US)
  24. 条件规则
    1. 运用查询特性
  25. CSS 对象模型视图
    1. 坐标系
  26. Flex 布局
    1. Flex 布局基础
    2. 与其他布局的比较
    3. Flex 容器中的对齐方式
    4. Flex 布局中的排序方式
    5. 控制 Flex 子元素在主轴上的比例
    6. 包装 Flex 布局中的元素
    7. 经典的 Flex 布局示例
    8. Flex 布局的向下兼容性
  27. 流布局
    1. 一般的流布局中的块和内联布局
    2. 应用或脱离流布局
    3. 格式化上下文简介
    4. 流布局和书写模式
    5. 流布局和溢出
  28. 字体
    1. OpenType 字体特性指南
    2. 可变字体
  29. Grid 布局
    1. Grid 布局基础概念
    2. 和其他布局方法的联系
    3. 基于网格线的定位
    4. Grid 模板区域
    5. 使用命名线布局
    6. Grid 布局中的自动定位
    7. Grid 布局中的盒模型对齐
    8. 网格、逻辑值和书写模式
    9. Grid 布局和无障碍
    10. Grid 布局和渐进增强
    11. 运用 Grid 布局实现常见布局
    12. 子网格 (en-US)
    13. Masonry 布局 (en-US)
  30. 图片
    1. 使用 CSS 渐变
  31. 列表和计数器
    1. 运用 CSS 计数器
    2. 调整列表缩进
  32. 逻辑属性
    1. 基础概念
    2. 浮动和定位
    3. Margins, borders and padding (en-US)
    4. 调整尺寸 (en-US)
  33. 媒体查询
    1. 运用媒体查询
    2. 无障碍相关的媒体查询 (en-US)
    3. 运用编程方法测试媒体查询
  34. 定位
    1. CSS z-index
  35. Scroll snap
    1. scroll snap 基础概念 (en-US)
    2. scroll snap 和浏览器兼容性 (en-US)
  36. 形状
    1. 形状概述
    2. 使用 box 值指定形状
    3. 基础的形状 (en-US)
    4. 从图片中指定形状 (en-US)
  37. 文本
    1. 包装文本和文本断行 (en-US)
  38. 变换
    1. 运用变换
  39. 过渡
    1. 运用过渡
  40. 布局的 cookbook
    1. 媒体对象
    2. 列
    3. 居中一个元素
    4. 固定的页脚 (en-US)
    5. 分块导航
    6. 面包屑导航
    7. 带有图标的列表 (en-US)
    8. 分页 (en-US)
    9. 卡片
    10. Grid 布局包装器 (en-US)
  42. 工具
    1. 取色器
    2. Box shadow 生成器
    3. 图片边框生成器

Border-image 生成器

这个工具用于生成 CSS border-image 的值。

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This page was last modified on 2022年11月29日 by MDN contributors.

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