<li class="dropdown">
    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Security <span class="caret"></span></a>
    <ul class="dropdown-menu" role="menu">
        <li><a href="{{ path("fos_user_group_list") }}"><span class="glyphicon glyphicon-adjust"></span> Groups</a></li>
        <li><a href="{{ path("vgm_user_list") }}">
            <span style="position: relative;">
                <span class="glyphicon glyphicon-user"></span>
                <span style="position: absolute; left: 3px; top: 2px; color: #cacaca;" class="glyphicon glyphicon-user"></span>
            </span> Users</a>
        </li>
    </ul>
</li>