html, body {
	margin: 0;
	padding: 0;
}
body {
	overflow: hidden;
	background: #111;
}
canvas {
	background: #000;
	width: 100vw;
	max-width: 100vh;
	position: absolute;
	margin: auto;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	display: block;
}