html, body {
	width: 100%;
	height: 100%;
  	margin: 0;
  	padding: 0;
	display: flex;
	justify-content: center;
	align-items: center;
}

canvas {
  margin: auto;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  max-width: 98%;
  max-height: 98%;
  object-fit: scale-down;
}