body {
	margin: 0;
	padding: 0;
	background: #ccc;
	overflow: hidden;
}

#container {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	display: flex;
	justify-content: center;
	align-items: center;
}

#container canvas {
	object-fit: contain;
	max-height: 100%;
	max-width: 100%;
}