css/float.html

<!DOCTYPE html>
<html>
  <head>
    <title></title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <style>
      .red {
        border: 1px solid red;
      }
      .green {
        border: 1px solid lime;
      }
      .yellow {
        border: 1px solid gold;
      }
      div {
        min-width: 100px;
        min-height: 100px;
        padding: 10px;
        margin: 10px;
      }
    </style>
  </head>
  <body>
    <h2>测试不同的高度</h2>
    <div class="red" style="width: 700px">
      <div class="green" style="width: 50%; display: inline-block">
      </div>
      <div class="yellow" style="float: right; width: 10%; height: 200px">
        我是yellow的div
      </div>
      <div style="width: 100%; height: 100%;"></div>
      <div style="clear: both; min-height: 0px"></div>
    </div>
    <div class="red">
      <div class="green">
        最普通
      </div>
      <div class="yellow">
        最普通
      </div>
    </div>
    <div class="red">
      <div class="green" style="float: left">
        float: left
      </div>
      <div class="yellow">
        最普通
      </div>
    </div>
    <div class="red">
      <div class="green" style="float: left; height: 200px">
        float: left, 我很高。但是因为我是float，所以无法撑开
      </div>
      <div class="yellow">
        最普通
      </div>
    </div>
    <div class="red" style="margin-top: 100px">
      <div class="green" style="float: left;">
        float: left, 我很高。但是因为我是float，所以无法撑开
      </div>
      <div class="yellow" style="height: 200px">
        我很高，可以撑开高度
      </div>
    </div>
  </body>
</html>