#gamecontainer {
	position: absolute;
	width: 100%;
	height: 100%;
	min-width: 100%;
	min-height: 100%;
	display: block;
	background-size: cover;
	background-repeat: no-repeat;
}
canvas {
	position: fixed;
	top: 0;
	left: 0;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	min-width: 100%;
	min-height: 100%;
}