body {
    margin: 0px;
    padding: 0px;
}

#render-canvas {
    width: 100%;
    height: 100%;
}

#help {
	background: rgba(0,0,0,0.7);
	color: white;
	position: fixed;
	right: 8px;
	bottom: 8px;
	border-radius: 2px;
	padding: 8px;
	font-size:16px;
}