html, body {
	overflow: hidden;
	touch-action: none;
	content-zooming: none;
	position: absolute;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	background: #fff;
}

canvas {
	position: absolute;
	width: 100%;
	height: 100%;
	user-select: none;
	
}