.cities-container, .zips-container {
	max-height: 300px;
	overflow-y: auto;
	border: 1px solid rgba(255,255,255,.3);
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
	align-content: flex-start;
}

.city, .zip {
	padding: 10px;
}