完整CSS选择器参考手册实例
匹配属于父元素中唯一子元素的 p 元素:
p:only-child
{
background:#ff0000;
}
定义和用法
:only-child 选择器匹配属于父元素中唯一子元素的元素。
浏览器支持
表格中的数字表示支持该属性的第一个浏览器版本号。
| 选择器 | |||||
|---|---|---|---|---|---|
| :only-child | 4.0 | 9.0 | 3.5 | 3.2 | 9.6 |
其他扩展
CSS 参考手册
- CSS 参考手册
- CSS 选择器
- CSS 听觉参考手册
- CSS Web安全字体
- CSS 动画
- CSS 函数
- CSS 单位
- CSS 颜色
- CSS 合法颜色值
- CSS 颜色名称
- CSS 颜色十六进制值
- CSS 浏览器支持
- Sass 教程
- CSS 属性
- align-content
- align-items
- align-self
- all
- animation
- animation-delay
- animation-direction
- animation-duration
- animation-fill-mode
- animation-iteration-count
- animation-name
- animation-play-state
- animation-timing-function
- appearance
- backface-visibility
- background
- background-attachment
- background-blend-mode
- background-clip
- background-color
- background-image
- background-origin
- background-position
- background-repeat
- background-size
- border
- border-bottom
- border-bottom-color
- border-bottom-left-radius
- border-bottom-right-radius
- border-bottom-style
- border-bottom-width
- border-collapse
- border-color
- border-image
- border-image-outset
- border-image-repeat
- border-image-slice
- border-image-source
- border-image-width
- border-left
- border-left-color
- border-left-style
- border-left-width
- border-radius
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- border-right-color
- border-right-style
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- border-spacing
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- border-top-color
- border-top-left-radius
- border-top-right-radius
- border-top-style
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- bottom
- box-align
- box-direction
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- box-pack
- box-shadow
- box-sizing
- caption-side
- clear
- clip
- color
- column-count
- column-fill
- column-gap
- column-rule
- column-rule-color
- column-rule-style
- column-rule-width
- column-span
- column-width
- columns
- content
- counter-increment
- counter-reset
- cursor
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- filter
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- flex-flow
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- float
- font
- @font-face
- font-family
- font-size
- font-size-adjust
- font-stretch
- font-style
- font-variant
- font-weight
- grid-columns
- grid-rows
- hanging-punctuation
- height
- icon
- justify-content
- @keyframes
- left
- letter-spacing
- line-height
- list-style
- list-style-image
- list-style-position
- list-style-type
- margin
- margin-bottom
- margin-left
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- max-height
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- @media
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- mix-blend-mode
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- opacity
- order
- outline
- outline-color
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- padding
- padding-bottom
- padding-left
- padding-right
- padding-top
- page-break-after
- page-break-before
- page-break-inside
- perspective
- perspective-origin
- position
- punctuation-trim
- quotes
- resize
- right
- rotation
- tab-size
- table-layout
- target
- target-name
- target-new
- target-position
- text-align
- text-align-last
- text-decoration
- text-decoration-color
- text-decoration-line
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- text-indent
- text-justify
- text-outline
- text-overflow
- text-shadow
- text-transform
- text-wrap
- top
- transform
- transform-origin
- transform-style
- transition
- transition-delay
- transition-duration
- transition-property
- transition-timing-function
- unicode-bidi
- vertical-align
- visibility
- white-space
- width
- word-break
- word-spacing
- word-wrap
- z-index
- writing-mode
