.clearfix:after{
content:"";
height:0;
line-height:0;
display:block;
visibility:hidden;
clear:both;
}
.clearfix{
zoom:1;为了兼容IE
}
content:"";
height:0;
line-height:0;
display:block;
visibility:hidden;
clear:both;
}
.clearfix{
zoom:1;为了兼容IE
}
.clearfix:before,.clearfix:after {
content: "";
display: block;
clear: both;
}
.clearfix {
zoom: 1;
}