designer

designer.html

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

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

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
        top: 0px;
        left: 0px;
      }
    </style>
    <b id="b">{{ owner }}</b>
  </template>

  <script>

    Polymer('my-element', {
      ready: function () {
        this.owner = 'Rafael';
      }
    });

  </script>

</polymer-element>