css清除浮动 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            border: 1px solid red;
            /* overflow: hidden; 第二种方式清除浮动 */
        }

        /* 第三种方式清除浮动：伪元素清除浮动 */
        .clearfix:after {
            content: '';
            display: block;
            height: 0;
            clear: both;
            visibility: hidden;
        }

        /* 兼容ie6、7版本 */
        .clearfix {
            *zoom: 1;
        }

        .one {
            width: 200px;
            height: 200px;
            background-color: pink;
            float: left;
        }

        .two {
            width: 200px;
            height: 200px;
            background-color: pink;
            float: left;
            margin: 0 10px;
        }

        .three {
            width: 200px;
            height: 200px;
            background-color: pink;
            float: left;
        }
    </style>
</head>

<body>
    <div class="box clearfix">
        <div class="one">1</div>
        <div class="two">2</div>
        <div class="three">3</div>
        <!-- 第一种方式清除浮动 -->
        <!-- <div style="clear: both;"></div> -->
    </div>
</body>

</html>

 

posted @ 2021-12-26 20:32  yw3692582  阅读(20)  评论(0)    收藏  举报