ie下文档模式与浏览器模式兼容性问题

display: inline-block;
display: inline-block \9;

*display: inline;//解决ie7文档模式兼容问题
zoom:1;

//清除浮动的方法

浮动的类名:after
{
visibility: hidden;
display: block;
font-size: 0;
content: " ";
clear: both;
height: 0;
zoom:1;
}