新起点博客网站清除css浮动的最佳方法
<html >
<head>
<title>网站清除css浮动的最佳方法</title>
<meta name="generator" content="editplus" />
<meta name="author" content="" />
<meta name="keywords" content="" />
<meta name="description" content="" />
</head>
<body>
<style type="text/css">
.clearfix:after{content:" ";display:block;height:0;clear:both;visibility:hidden}
.clearfix{*+height:1%;}
.box{background:red;width:500px;position:relative;}
.left{float:left; background:blue;width:200px; height:100px;}
.right{float:right;background:#666;width:200px; height:200px;}
.ab{width:100px; height:100px;background:#999;position:absolute;right:-50px;;}
</style>
<div class="box clearfix">
<div class="l">left</div>
<div class="r">right</div>
<div class="ab">absolute</div>
</div>
</body>
</html>
最佳方法：
.clearfix:after{content:" ";display:block;height:0;clear:both;visibility:hidden;}
.clearfix{*+height:1%;}
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