fa fa-bell-o fa-lg"></i></a>
          <ul class="app-notification dropdown-menu dropdown-menu-right">
            <li class="app-notification__title">You have 4 new notifications.</li>
            <div class="app-notification__content">
              <li><a class="app-notification__item" href="javascript:;"><span class="app-notification__icon"><span class="fa-stack fa-lg"><i class="fa fa-circle fa-stack-2x text-primary"></i><i class="fa fa-envelope fa-stack-1x fa-inverse"></i></span></span>
               