关于css中清除浮动（clearfix）的介绍

清除浮动clearfix

实例代码：

<pre class=\"brush:CSS;toolbar:false\”>
.clearfix:after, .clearfix:before {
content: " ";
display: table;
}
.clearfix:after {
clear: both;
}
.clearfix{zoom:1;/*为IE6，7的兼容性设置*/}