.clearfix:after {
clear: both;
content: ' ';
display: block;
font-size: 0;
line-height: 0;
visibility: hidden;
width: 0;
height: 0;
}
 
.clearfix {
display: inline-block;
}
 
* html .clearfix {
height: 1%;
}
 
.clearfix {
display: block;
}