ul {
	list-style-type: none;
	margin: 0px;
	padding: 0px;
}

li {
	display: inline;
	margin: 5px;
}


header {
	color: aqua;
}

section {
	display: grid;
	grid-template-columns: repeat(2fr, minmax(auto-fit, auto-fill));
	height: 90vh;

	.block {
		background-color: grey;
		/*height: 100%;
		width: 100%;*/
		margin: 1rem;
		border-radius: 15px;

		.left {
			margin-right: 1rem;
		}

		.right {
			margin-left: 1rem;
		}
	}

	.block:hover {
		margin: 0rem;
	}
}