body,html {
	margin:0;
	padding:0;
	width:100vw;
	height:100vh;
	overflow:hidden;
	background:#000;
	color: #fff;
	font: 21px monospace;
}
canvas {
	display:block;
	max-width: 100%;
	max-height: 100%;
	bottom: 0;
	left: 0;
	margin: auto;
	overflow: auto;
	position: fixed;
	right: 0;
	top: 0;
	-o-object-fit: contain;
	object-fit: contain;
	background:#001440;
}