.clear {
	clear: both;
}



.hidden {
	display: none;
}



.float-left {
	float: left;
}
.float-right {	
	float: right; 
}



.align-left {
	text-align: left;
}
.align-right {
	text-align: right;
}
.align-center {
	text-align: center;
}


.align-middle {
	vertical-align: middle;
}


.margin-center {
	margin-left: auto;
	margin-right: auto;
}