 class="white-text text-lighten-3 btn waves-effect waves-light {{ site.footer-button-color }} lighten-3"><i class="mdi mdi-github-circle"></i></a></li>
            {% endif %}
            {% if site.googleplus_username %}
            <li><a href="https://plus.google.com/+{{ site.googleplus_username }}" class="white-text text-lighten-3 btn waves-effect waves-light {{ site.footer-button-color }} lighten-3"><i class="mdi mdi-google-plus"></i></a></li>
            {% endif %}
            {% if site.twitter_user