.reveal-controls {
	position: absolute;
	bottom: 0;
	left: 0;
	margin-bottom: .5rem;
	margin-left: .5rem;
}
body {
	margin: 0;
}
canvas {
	display: block;
}
.controls {
	display: flex;
	justify-content: space-between;
	position: absolute;
	bottom: 0;
	width: 100%;
	box-sizing: border-box;
	padding: 1rem;
	background-color: #FEF;
}
input[type=range] {
	background-color: #DFD;
}