body{
	position: relative;
	width: 100%;
	height: 100%;
	background-color: #fafafa;
}
.contents{
	position: absolute;
	top: -200;
	right: 0;
	bottom: 0;
	left: -600px;
	margin: auto;
	width: 0px;
	height: 0px;
	background: #fafafa;
}