清除浮动 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>清楚浮动</title>
    <style type="text/css">
        .box{
            width: 100%;
        }
        .box >div{
            width: 30%;
            float: left;
        }
        .clearfix{
            clear: both;
            *zoom: 1;
        }
        .clearfix:after{
            display: block;
            clear: both;
            content: "";
            height: 0;
            visibility: hidden;
        }
    </style>
</head>
<body>
    <div class="box">
        <div>aaa</div>
        <div>bbb</div>
        <div>aaa</div>
        <div class=" clearfix"></div>
    </div>
</body>
</html>

 

posted @ 2017-10-24 13:43  Jinsuo  阅读(135)  评论(0)  编辑  收藏  举报