#main_menu{
	position:absolute;
	margin:0;
	padding:0;
	top:95px;
	left:48px;
	width:700px;
	z-index: 99;
}
#main_menu_grey{
	position:absolute;
	margin:0;
	padding:0;
	top:100px;
	left:48px;
	width:700px;
	z-index: 99;
}