bunteshaus.de/themes/buha/assets/scss/index.scss

.two_lists {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	margin-left: auto;
	margin-right: auto;
}

@media (min-width: 640px) {
	.two_lists {
		flex-direction: row;
		.gen_list {
			width: 48%;
		}
	}
}