designer

designer.html

<link rel="import" href="../polymer/polymer.html">

<polymer-element name="my-element">

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
    </style>
    <core-header-panel mode="seamed" id="core_header_panel" navigation flex>
        <core-toolbar id="core_toolbar"></core-toolbar>
        <core-menu valueattr="label" id="core_menu" theme="core-light-theme">
          <core-item id="core_item" icon="settings" label="Item1" horizontal center layout></core-item>
          <core-item id="core_item1" icon="settings" label="Item2" horizontal center layout></core-item>
        </core-menu>
      </core-header-panel>
      <div id="div" tool>Title</div>
  </template>

  <script>

    Polymer({
      
    });

  </script>

</polymer-element>