浮动后多元素垂直居中的问题?

<!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>
      #wrapper {
        width: 400px;
        height: 400px;
        background: #000;
        margin: 0 auto;
        color: red;
      }
      /** 浮动布局*/
      .z-row::before,
      .z-row::after {
        display: table;
        content: " ";
      }
      .z-row::after {
        clear: both;
      }
      .z-row-left {
        float: left;
      }
      .z-row-right {
        float: right;
      }
    </style>
  </head>
  <body>
    <div id="wrapper" class="z-row">
      <span class="z-row-left">测试居中1</span>
      <div id="cell" class="z-row-left">
        <span>测试垂直居中效果</span><br />
        <span>测试垂直居中效果</span>
      </div>
      <span class="z-row-left">测试居中2</span>
    </div>
  </body>
</html>

目前已经把 wrapper 中的所子元素都设置浮动了 在此基础上我想把子元素垂直居中,有什么好的解决办法吗 暂时不考虑 flex 以及 gird

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1 个回答
<!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>
    #wrapper {
      width: 400px;
      height: 400px;
      background: #000;
      margin: 0 auto;
      color: red;
    }

    /** 浮动布局*/
    .z-row::before,
    .z-row::after {
      display: table;
      content: " ";
    }

    .z-row::after {
      clear: both;
    }

    .z-row-left {
      float: left;
      margin-left: 50%;
      margin-top: 50%;
      transform: translate(-50%);
    }

    .z-row-right {
      float: right;
    }
  </style>
</head>

<body>
  <div id="wrapper" class="z-row">
    <span class="z-row-left">测试居中1</span>
  </div>
</body>

</html>

image.png

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