clear的问题

小菜鸟

1125

发布于
2018-10-09

justjavac

47.8k744111

更新于
2018-10-09

代码：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<style>
    .left{
        float: left;
        width: 100px;
        height: 100px;
        background: red;
    }
    .right{
        margin-left: 100px;
        background: blue;
    }
    .fr{
        float: left;
        height: 30px;
    }
    .clear:after{
        content: "";
        display: block;
        clear: both;
        height: 0;
    }
</style>
<body>
    <div class="left"></div>
    <div class="right">
        <div class="clear">
            <div class="fr">111</div>
        </div>
    </div>
</body>
</html>

结果：