css如何清除浮动
<html > <head> <title> css用clearfix清除浮动实例</title> <meta name="generator" content="editplus" /> <meta name="author" content="" /> <meta name="keywords" content="" /> <meta name="description" content="" /> </head> <body> <style type="text/css"> /**//*所有主流浏览器都支持 :after 伪元素。*/ .clearfix:after{}{content:".";display:block;height:0;clear:both;visibility:hidden} .clearfix{}{*+height:1%;}/**//*不知道有什么用处，不加ie7也没有问题*/ .box{}{ background:#111;width:500px; position:relative;} .l{}{float:left; background:#333;width:200px; height:100px;} .r{}{float:right;background:#666;width:200px; height:200px;} .s{}{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="s">absolute</div> </div> </body> </html>
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参考资料：???? css用clearfix清除浮动???? http://www.studyofnet.com/news/196.html
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