designer

designer.html

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

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

  <template>
    <style>    
      #core_scaffold {
        position: absolute;
        top: 0px;
        right: 0px;
        bottom: 0px;
        left: 0px;
        width: 100%;
        height: 100%;
      }
      #core_header_panel {
        background-color: rgb(255, 255, 255);
      }
      #core_toolbar {
        color: rgb(255, 255, 255);
        background-color: rgb(79, 125, 201);
      }
      #core_menu {
        font-size: 16px;
      }
      #google_signin {
        left: 810px;
        top: 300px;
        position: absolute;
      }
    </style>
    <core-scaffold id="core_scaffold">
      <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 label="Item1" icon="settings" size="24" id="core_item" horizontal center layout></core-item>
          <core-item label="Item2" icon="settings" size="24" id="core_item1" horizontal center layout></core-item>
        </core-menu>
      </core-header-panel>
      <div id="div" tool>Title</div>
    </core-scaffold>
    <google-signin clientid="281568026242.apps.googleusercontent.com" scopes="https://www.googleapis.com/auth/calendar.readonly" id="google_signin"></google-signin>
  </template>

  <script>

    Polymer('my-element', {
      
    });

  </script>

</polymer-element>

metadata.html

<x-meta id="google-signin" label="Google Signin">
  <template>
    <google-signin></google-signin>
  </template>
  <property name="cookiePolicy" kind="select" options="single_host_origin,none"></property>
  <template id="imports">
    <link rel="import" href="google-signin.html">
  </template>
</x-meta>
<x-meta id="google-signin-aware" label="Google Signin Aware">
  <template>
    <google-signin-aware></google-signin-aware>
  </template>
  <property name="scopes" kind="string"></property>
</x-meta>