<div class="ibox-tools dropdown" dropdown>
    <a ng-click="showhide()"> <i class="fa fa-chevron-up"></i></a>
    <!-- a class="dropdown-toggle" href dropdown-toggle>
        <i class="fa fa-wrench"></i>
    </a>
    < ul class="dropdown-menu dropdown-user">
        <li><a href>Config option 1</a>
        </li>
        <li><a href>Config option 2</a>
        </li>
    </ul -->
    <a ng-click="closebox()"><i class="fa fa-times"></i></a>
</div>