.falling {
	width: 100%;
	position: relative;
	background-size: cover;
	background-position: center center;
	margin: 10px 0 20px 0;
}
.falling canvas:not(#js-fitting-canvas) {
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	z-index: -1;
}