<footer class=“page-footer”>

<center>
  {% if site.switch_skin == true %}
  <div class="row">
    <div class="col-sm-8 col-sm-offset-2">
      <a onclick="toggleTheme();">
        Default/Blue
      </a>
    </div>
  </div>
  {% endif %}
  {% if site.email != null and site.author != null %}
  <div class="row">
    <div class="col-sm-8 col-sm-offset-2">
      Copyright (c) 20{{ site.time | date: '%y' }} {{site.author}} -
      <a href="mailto:{{site.email}}">&lt;{{site.email}}&gt;</a>
    </div>
  </div>
  {% endif %}
</center>

</footer>