css 清楚浮动的方法

1.   .clearfix:after {content:"."; display:block; height:0; visibility:hidden; clear:both; }

　　.clearfix { *zoom:1; }

2.   .clearfix:before, .clearfix:after { content: "."; display: block; height: 0; visibility: hidden; }

     .clearfix:after {clear: both;}

     .clearfix {zoom: 1;} /* IE < 8 */

css 清楚浮动的方法

原文：http://www.cnblogs.com/cartaion/p/5609003.html