.block
	each val in ['one', 'two', 'tree', 'four', 'five', 'six']
		.block__element= val

html, body {
	position: fixed;
	width: 100%;
	height: 100%;
	overflow: hidden;
	margin: 0;
	border: 0;
	padding: 0;
	@media only screen and (min-width: 900px) {
		position: relative;
		overflow: auto;
	}
}

.block {
	--block-position: fixed;
	--block-height: 100%;
	scroll-snap-type: y mandatory;
	position: var(--block-position);
	height: var(--block-height);
	width: 100%;
	overflow: auto;
	scroll-behavior: smooth;
	-webkit-overflow-scrolling: touch;

	@media only screen and (min-width: 900px) {
		--block-position: relative;
		--block-height: auto;
		display: grid;
		grid-gap: .5rem;
  	grid-template-rows: 33vh 33vh 33vh;
		grid-template-columns: repeat(1fr,3);
		grid-template-areas: 
		"one one six"
		"two four six"
		"tree five six";
	}
	
	&__element {
		--element-height: 100vh;
		font-family: sans-serif;
		padding: .5rem;
		position: relative;
		height: var(--element-height);
		text-transform: capitalize;
		color: #fff;
		font-size: 20vh;
		font-weight: bold;
		scroll-snap-align: center;
		@media only screen and (min-width: 900px) { 
			--element-height: auto;
		}

		&:nth-child(1) {
			grid-area: one;
			background-color: #2b2d42;
		}

		&:nth-child(2) {
			grid-area: two;
			background-color: #8d99ae;
		}

		&:nth-child(3) {
			grid-area: tree;
			background-color: #bdd5ea;
		}

		&:nth-child(4) {
			grid-area: four;
			background-color: #ee6c4d;
		}

		&:nth-child(5) {
			grid-area: five;
			background-color: #ef233c;
		}

		&:nth-child(6) {
			grid-area: six;
			background-color: #d90429;
		}
	}
}