dss.web/client/app/directives/notifications/notifications.html

<li id="navbar-notification-dropdown" class="dropdown">
    <a data-toggle="dropdown" class="dropdown-toggle" href="#">
        <i class="fa fa-envelope-o"></i>
        <span class="badge bg-important" ng-show="notificationCount != 0">{{notificationCount}}</span>
    </a>
    <ul class="dropdown-menu extended inbox">
        <div class="notify-arrow notify-arrow-red"></div>
        <li>
            <p class="red">You have {{notificationCount}} new notifications</p>
        </li>
        <li ng-repeat="notification in notifications" ng-class="notification.accepted_date ? '' : 'notification-new'">
            <a href="{{notification.target}}">
                <span class="photo">
                    <img alt="avatar" ng-src="{{notification.from_user.profile_image_small}}">
                </span>
                <span class="subject">
                    <span class="from">{{notification.from_user.first_name}}</span>
                    <span class="time">{{notification.date|humanise}}</span>
                </span>
                <span class="message">
                    {{notification.verb}}&nbsp;{{notification.target_desc}}
                </span>
            </a>
        </li>
        <li>
            <a href="#">See all messages</a>
        </li>
    </ul>
</li>