_includes/footer.html

<footer class="page-footer">
	<div class="container">
		<div class="row">

			<div class="col-12 col-sm-4">
				<p><a href="/about">About</a></p>
				<p><a href="/publications">Publications</a></p>
				<p><a href="/contributing">Contributing</a></p>
			</div><br>

			<div class="col-12 col-sm-4">
				<p><a href="/gettingstarted">Documentation</a></p>
				<p><a href="#">Source</a></p>
			</div><br>

			<div class="col-12 col-sm-4">
				<p><a href="/help">Help</a></p>
				<p><a href="/search">Search</a></p>
				<p><a href="#">Mailing Lists</a></p>
			</div>

		</div>
	</div>
</footer>