body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-color: #ffffff;
	
}
#center {
position: absolute;
width: 900px;
height: 700x;
left: 50%;
top: 50%;
margin-left: -500px;
margin-top: -336px;
}