html,body {
	background-color: #000;
	color: #fff;
	font-family: helvetica, arial, sans-serif;
	margin: 0;
	padding: 0;
	font-size: 12pt;
}

#canvas {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	margin: auto;
	border: 1px solid #555;
}

#error-box {
	margin-left: auto;
	margin-right: auto;
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	margin: auto;
	border: 1px solid #555;
	z-index: 1000 !important;
}

#controls {
	position: absolute;
	right: 0;
	top: 0;
	z-index: 1000;
	padding: 5px;
	background-color: #fff;
}

#controls img {
	padding: 5px;
	opacity: 0.2;
}

#controls img.enabled {
	opacity: 1.0;
}