<footer>
  <div class="row">
    <div class="col-md-6" align="left">
      <h4><a href="{{ site.swc_site }}">Software Carpentry</a></h4>
    </div>
    <div class="col-md-6" align="right">
      <h4><a href="{{ site.dc_site }}">Data Carpentry</a></h4>
    </div>
  </div>
</footer>
