#interface {
	width: 100%;
	margin: auto;
	position: relative;
}

.row {
	overflow: hidden;
	position: relative;
	margin: auto;
}

.column {
	min-height: 100px;	
}

.leftcol {
	float: left;
	width: 25%;
}

.rightcol {
	width: 75%;
	float: right;
}