body,
html {
	position: absolute;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	background: #000;
	user-select: none;
}
canvas {
	position: absolute;
	width: 100%;
	height: 100%;
	user-select: none;
	touch-action: none;
	content-zooming: none;
	cursor: crosshair;
}