.clearfix:after {
	content:".";
	display:block;
	height:0;
	clear:both;
	visibility:hidden;
}

.clearfix {
	display:inline-block;
}

.hidden {
	background:none;
	font-size:1px;
	display:none;
	height:0;
	left:-9999px;
	overflow:hidden;
	position:absolute;
	top:-9999px;
	width:0;
	z-index:0;
	line-height:0px;
}

strong {
	font-weight:bold;
}