html, body {
	
	width: 100%;
	height: 100%;
	background-color: #000000;
	margin: 0px;
	padding: 0px;
}

.wrapper {
	
	width: 600px;
	height: 300px;
	
	position: absolute;
	top: 50%;
	margin-top: -150px;
	left: 50%;
	margin-left: -300px;
}