body {
	margin: 0;
	padding: 0;
	width: 100%;
	background-color: rgb(43, 43, 43);
	}
	main {
	display: flex;
	justify-content: center;
	}
	canvas {
	max-width: 100%;
	max-height: 100%;
	margin: auto;
	overflow: auto;
	position: fixed;
	object-fit: contain;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	}