$cloud_width: 200px;

body {
	margin: 0;
	padding: 0;
	.top {
		background-image: linear-gradient(#24d3ff, #aaeeff);
		height: 70vh;
	}

	.bottom {
		background-image: linear-gradient(#26a4c4, #afdde9);
		height: 30vh;
	}
	.clouds {
		position: absolute;
		width: $cloud_width;
		animation-name: move_right;
		animation-direction: alternate;
		animation-iteration-count: infinite;
		animation-timing-function: linear;
	}
	#cloud1 {
		top: $cloud_width / 466 * 70; // 1 cloud worth of gap
		left: 0;
		animation-duration: 17s;
	}

	#cloud2 {
		top: $cloud_width / 466 * 70 * 4; // 4 clouds worth of gap
		left: 0;
		animation-delay: -2s;
		animation-duration: 15s;
		transform: rotateY(180deg);
	}
}



@keyframes move_right {
	from {left: 0}
	to {left: calc(100vw - #{$cloud_width})}
}


@keyframes move_left {
	from {right: 0}
	to {right: calc(100vw - #{$cloud_width})}
}