designer

designer.html

<link rel="import" href="../core-icons/core-icons.html">
<link rel="import" href="../core-icon/core-icon.html">

<polymer-element name="my-element">
aaaaa
  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #core_icon {
        height: 24px;
        width: 24px;
        left: 130px;
        top: 100px;
        position: absolute;
      }
    </style>
    <core-icon icon="social:cake" id="core_icon"></core-icon>
  </template>

  <script>

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

  </script>

</polymer-element>