codepens/leaving-out-particularities/dist/style.css

html, body {
	overflow: hidden;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	background:#000;
} 
canvas {
	position: absolute;
	width: 100%;
	height: 100%;
	background:#000;
	cursor: pointer;
}