html,body {
	height: 100%;
}
body {
	display: table;
	width: 500px;
	margin: 0 auto;
	background-color: #ffffff;
}
#wrapper {
	display: table-cell;
	vertical-align: middle;
}
#cell {
	border: 0px;
	width: 500px; height:200px;
	background-image: url('/images/logo.png');
}