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>
  </template>

  <script>

    Polymer({
      
    });

  </script>
 <core-header-panel>
    <core-toolbar>
      <paper-icon-button icon="menu">
      </paper-icon-button>
      <div flex>Conversations</div>
      <paper-menu-button>
        <paper-icon-button icon="more-vert">
        </paper-icon-button>
        <paper-dropdown class="dropdown" halign="right">
          <core-menu class="menu">
            <paper-item>Settings</paper-item>
            <paper-item>Help</paper-item>
            <paper-item>Feedback</paper-item>
            </core-menu>
        </paper-dropdown>
        </paper-menu-button>
    </core-toolbar>
  </core-header-panel>
</polymer-element>