--right aligned button-->
      <button type="button" class="btn btn-warning navbar-right hidden-sm">
        <i class="fa fa-lg fa-refresh"></i><span>Refresh</span>
      </button> 

      <!--navbar menu options: shown on desktop only -->
      <div class="navbar-collapse collapse">
        <ul class="nav navbar-nav">
          <li>
            <a href="#">
              <i class="fa fa-dashboard"></i> Dashboard
            </a>
          </li>
          <li>
            <a href="#">
              <i clas