    </ul>
                <!-- every .sidebar-nav may have a title -->
                <h5 class="sidebar-nav-title">Template <a class="action-link" href="#"><i class="glyphicon glyphicon-refresh"></i></a></h5>
                <ul class="sidebar-nav">
                    <li class="">
                        <!-- an example of nested submenu. basic bootstrap collapse component -->
                        <a class="collapsed" href="#sidebar-core" data-toggle="collapse" data-parent="#sidebar">
               