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css中的before使用

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  • Post category:其他


<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0
    }
    
    ul,
    li {
      list-style: none;
    }

    ul {
      height: 40px;
    }

    li {
      float: left;
      position: relative;
      margin: 0 10px;
      color: #e94a3e;
      font-size: 12px;
      line-height: 40px;
    }

    .font {
      padding: 0 4px 0;
    }
     /* before 和 after 都可以 */
    .font:before {
      content: "";
      display: block;
      position: absolute;
      top: 9px;
      width: 20px;
      height: 20px;
      -webkit-border-radius: 50%;
      -moz-border-radius: 50%;
      border-radius: 50%;
      border: 1px solid #e94a3e;
    }
  </style>
</head>

<body>
 <ul>
    <li>
      <span class="font">正</span>
      <span>100% 正品</span>
    </li>
    <li>
      <span class="font">退</span>
      <span>7天无忧</span>
    </li>
    <li>
      <span class="font">邮</span>
      <span>全场包邮(偏远地方除外)</span>
    </li>
  </ul>


</body>

</html>


效果图如下：


在这里插入图片描述 

 .comment_title {
      height: 0.4rem;
      position: relative;
      span{
        display: inline-block;
        line-height: 0.4rem;
        padding-left: 0.25rem;
        padding-top: 0.06rem;
      }

      &::before {
        content: '';
        position: absolute;
        width: 4px;
        height: 16px;
        background: #3ecac2;
        left: 15px;
        top: 19px;
        border-radius: 2px;
      }
    }

在这里插入图片描述


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