#background {
	position:relative;
	margin:0px auto;
	min-width:800px;
	width:100%;
	max-width:1920px;
	min-height:600px;
	height:100%;
	max-height:1080px;
}
#menu_back {
	height:100%;
	width:275px;
	border-right:5px solid #c0a285;
	background-position:center;
	background-size:cover;
	float:left;
	z-index:1;
}
#content_back {
	height:100%;
	background-position:center;
	background-size:cover;
	margin-left:280px;
	z-index:2;
}