eader slot="header" fixed effects="waterfall">
        <app-toolbar>
          <paper-icon-button icon="menu" drawer-toggle></paper-icon-button>
          <div main-title>My Drive</div>
        </app-toolbar>
      </app-header>

      <sample-content size="100"></sample-content>

    </app-header-layout>

  </app-drawer-layout>

</body>
</html>
