.sidebar {
	width:250px;
	float:left;
	position: relative;
	overflow: hidden;
}

.center_content {
	position: relative;
	overflow: hidden;
}

#main-shift { margin-left: 245px; }
#left { width: 245px; }
#content-shift { margin-right: 245px; }
#contentright { width: 245px; margin-left: -245px; }
#menu .dropdown { width: 250px; }
#menu .columns2 { width: 500px; }
#menu .columns3 { width: 750px; }
#menu .columns4 { width: 1000px; }