html,
body {
	margin: 0;
	padding: 0;
	height: 100%;
	overflow: hidden;
	background: #000;
}

canvas {
	position: absolute;
	left: 0;
	display: block;
	touch-action: none; /* pointer drags steer the camera instead of scrolling */
}

#loading {
	position: absolute;
	top: 0;
	right: 0;
	z-index: 10;
	padding: 0.25em 1em;
	background: #a00;
	color: #fff;
	font: bold 13px monospace;
}

.fps {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 10;
	padding: 0 0 3px 3px;
	color: #444;
	font: bold 9px/15px Helvetica, Arial, sans-serif;
	pointer-events: none;
}