* {
	margin: 0;
	padding: 0;
}

body {
	margin: 0;
	padding: 0;
	width: 100%;
  }
  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;
  }