body {
	margin: 0;
	padding: 0;
	overflow: hidden;
	background: black;
	touch-action: none;
}
canvas {
	min-width: 320px;
	min-height: 240px;
	width: 100%;
	height: 100%;
	display: block;
	
	margin: auto;
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	
	image-rendering: optimizeSpeed;
	image-rendering: -moz-crisp-edges;
	image-rendering: -webkit-optimize-contrast;
	image-rendering: -o-crisp-edges;
	-ms-interpolation-mode: nearest-neighbor;
	image-rendering: pixelated;
	image-rendering: crisp-edges;
}