//- Category listing header (Learn, Libraries, etc).
mixin category_list_header(title, text, url)
	.row.pt-2
		.col-md-9
			a.d-block.py-2.text-secondary(href=url, title=title)
				h1.text-uppercase.font-weight-bold
					=title
			.lead
				=text

			if block
				block

	hr.my-4