body {
	margin: 0;
	overflow: hidden;
	background: #111;
	color: #ccc;
}
#canvas {
	position: fixed;
	top: 50%;
	bottom: 0;
	left: 50%;
	right: 0;
	width: 960px;
	height: 600px;
	transform: translate(-50%, -35%);
	image-rendering: optimizeSpeed;
	image-rendering: -moz-crisp-edges;
	image-rendering: -webkit-optimize-contrast;
	image-rendering: -o-crisp-edges;
	image-rendering: pixelated;
	cursor: none;
	margin: auto;
}
:fullscreen {
	width: 100%;
	height: 100%;
}