.clearfix:after {
	content: "";
	display: block;
	clear: both;
	visibility: collapse;
	line-height: 0;
	height: 0;
	font-size: 0;
}
 
.clearfix {
	display: inline-block;
}
 
html[xmlns] .clearfix {
	display: block;
}
 
* html .clearfix {
	height: 1%;
}