CSS之clearfix清除浮动

.clear {

clear: both;

height: 0;

overflow: hidden;

display: block;

line-height: 0

}

.clearfix:after {

clear: both;

font-size: 0;

height: 0;

display: block;

visibility: hidden;

content: " ";

line-height: 0

}

.clearfix {

zoom: 1

}