html {
	-webkit-text-size-adjust: none;
	position: fixed;
	overflow: hidden;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background: silver;
}
body {
	width: 100%;
	height: 100%;
	background:#000;
	padding:0;
	margin:0;
	font-weight: bold;
}

canvas {
	width: 100%;
	height: 100%;
	z-index: 0;
}
/* Title */
.overlay1 {
	position: absolute;
	color: black;
	font-family: Courier;
	font-size: 16pt;
	z-index: 1;
}
/* Air1 */
.overlay2 {
	position: absolute;
	color: black;
	font-family: Courier;
	font-size: 14pt;
	z-index: 1;
}
/* Air2 */
.overlay3 {
	position: absolute;
	color: black;
	font-family: Courier;
	font-size: 14pt;
	z-index: 1;
}
/* Instructions */
.overlay4 {
	position: absolute;
	color: black;
	font-family: Courier;
	font-size: 14pt;
	z-index: 1;
}