html, body {
	width: 100%;
	height: 100%;
}
*{
	margin: 0;
	padding: 0;
}
.full {
	position: relative;
	width: 100%;
	height: 100%;
	margin: auto;
	background-image: radial-gradient(circle, #CCFFFF, #66CCCC);
}
.middle {
	position: absolute;
	margin: auto;
	top: 0; bottom: 0; left: 0; right: 0;
	width: 45%;
	box-shadow: 5px 5px 30px #333333;
}