designer

designer.html

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

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

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #my_element {
        left: 0px;
        top: 0px;
        position: absolute;
        width: 100%;
        height: 100%;
      }
      #custom_element {
        left: 50px;
        top: 20px;
        position: absolute;
      }
    </style>
    <my-element id="my_element"></my-element>
    <custom-element name="Ayaan" color="blue" id="custom_element">
  </custom-element>
  </template>

  <script>

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

  </script>

</polymer-element>