   <core-drawer-panel>
      <core-header-panel drawer>
        <core-toolbar>Menu</core-toolbar>

        <core-menu selected="{{route}}" valueattr="data-route">
          <core-item data-route="home">
            <a href="/">Home</a>
          </core-item>
          <core-item data-route="portfolio">
            <a href="/portfolio">Portfolio</a>
          </core-item>
          <core-item data-route="contact">
            <a href="/contact">Contact</a>
          </core-item>
        </core-menu>

      <