body, html {
	text-align: center;
	height: 100%;
	margin: 0;
}
div#vspacer {
	height: 50%;
	width: 100px;
	margin-bottom: -200px;
	float: left;
}
div#container {
	clear: left;
	position: relative; 
	width: 500px; 
	height: 300px; 
	margin: auto auto; 
	vertical-align: middle;
}