引入.clearfix这个css类,然后再相应的父标签中用class导入;
.clearfix:after {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}
.clearfix {display: inline-block;}
* html .clearfix {height: 1%;}
.clearfix {display: block;}
改方法兼容于FF、Opera和IE浏览器
转载于:https://www.cnblogs.com/huashengjam/archive/2009/07/21/1527698.html