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line-height

<!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>
      body {
        margin: 0;
      }
      .container {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        padding: 6px;
      }
      .item {
        height: 100px;
        padding: 6px;
        width: 33.3%;
        box-sizing: border-box;
      }
      .content {
        width: 100%;
        height: 100%;
        font-size: 30px;
        line-height: 1;
        text-align: center;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="item">
        <div class="content">
          <span>我爱丽丽</span>
        </div>
      </div>
      <div class="item">
        <div class="content"></div>
      </div>
      <div class="item">
        <div class="content"></div>
      </div>
      <div class="item">
        <div class="content"></div>
      </div>
    </div>
  </body>
</html>

老师，为啥这个line-height设置为1就不能居中对齐啊非得设置为多少px才可以，百分比也不行

慕粉1470117225 2020-07-18 14:22:06

源自：3-4 非布局样式（行高）

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