ktop: tabs -->
            <paper-tabs selected="{{selected}}" attr-for-selected="name">
              <template is="dom-repeat" items="{{items}}">
                <paper-tab name="{{item}}">{{item}}</paper-tab>
              </template>
            </paper-tabs>
          </app-toolbar>

        </app-header>
      </app-header-layout>

    </app-drawer-layout>

    <iron-media-query query="min-width: 600px" query-matches="{{wideLayout}}"></iron-media-query>

  </template>

  <script>

    Polymer({

     