清除浮动 

.clearfix:after {

content:"";

display:block;

height:0;

clear:both;

visibility:hidden;

}

.clearfix{

/*IE6、7专用*/

*zoom:1;

}

给父元素添加

posted @ 2020-08-18 16:10  abcdefgab  阅读(88)  评论(0)    收藏  举报