<footer class='footer'>

<ul class='footer__list'>
  {% if site.author %}
    {% if site.email %}
      <li class='footer__item'>
        <a href='mailto:{{ site.email }}'>{{ site.author }}</a>
      </li>
    {% else %}
      <li class='footer__item'>{{ site.author }}</li>
    {% endif %}
  {% endif %}

  {% if site.github_username %}
    <li class='footer__item'>
      <a href='https://github.com/{{ site.github_username }}' title='github'>
        {% include icon.html icon='github' %}
      </a>
    </li>
  {% endif %}

  {% if site.twitter_username %}
    <li class='footer__item'>
      <a href='https://twitter.com/{{ site.twitter_username }}' title='twitter'>
        {% include icon.html icon='twitter' %}
      </a>
    </li>
  {% endif %}

  {% if site.facebook_username %}
    <li class='footer__item'>
      <a href='https://www.facebook.com/{{ site.facebook_username }}' title='facebook'>
        {% include icon.html icon='facebook' %}
      </a>
    </li>
  {% endif %}

  {% if site.dribbble_username %}
    <li class='footer__item'>
      <a href='https://dribbble.com/{{ site.dribbble_username }}' title='dribbble'>
        {% include icon.html icon='dribbble' %}
      </a>
    </li>
  {% endif %}
</ul>

</footer>