类选择器 | Class selectors (Selectors) - CSS 中文开发手册 - Break易站


  • ??CSS 中文开发手册

    类选择器 | Class selectors (Selectors) - CSS 中文开发手册

    CSS 类选择器根据其class属性的内容匹配元素。

    /* All elements with class="spacious" */
    .spacious {
      margin: 2em;
    }
    
    /* All <li> elements with class="spacious" */
    li.spacious {
      margin: 2em;
    }

    语法

    .class_name { style properties }

    请注意,这相当于以下内容attribute selector:

    [class~=class_name] { style properties }

    实例

    CSS

    div.classy {
      background-color: skyblue;
    }

    HTML

    <div class="classy">This div has a special class on it!</div>
    <div>This is just a regular div.</div>

    结果

    规范

    Specification

    Status

    Comment

    Selectors Level 4The definition of ‘class selectors‘ in that specification.

    Working Draft

    No changes

    Selectors Level 3The definition of ‘class selectors‘ in that specification.

    Recommendation

    ?

    CSS Level 2 (Revision 1)The definition of ‘child selectors‘ in that specification.

    Recommendation

    ?

    CSS Level 1The definition of ‘child selectors‘ in that specification.

    Recommendation

    Initial definition

    浏览器兼容性

    Feature

    Chrome

    Edge

    Firefox (Gecko)

    Internet Explorer

    Opera

    Safari

    Basic support

    (Yes)

    (Yes)

    (Yes)

    (Yes)

    (Yes)

    (Yes)

    Feature

    Android

    Chrome for Android

    Edge

    Firefox Mobile (Gecko)

    IE Mobile

    Opera Mobile

    Safari Mobile

    Basic support

    ?

    ?

    (Yes)

    ?

    ?

    ?

    ?

    
    
  • ??CSS 中文开发手册
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    类选择器 | Class selectors (Selectors) - CSS 中文开发手册 - Break易站

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