html,body {
	margin: 0;
	padding: 0;
	width: 100vw;
	height: 100vh;
	
}

#viewer {
	width: 100vw;
	height: 100vh;
	overflow: hidden;
	background-color: #2E3237;
}

canvas {
	position: relative;
	width: 100%;
	height: 100%;
}