designer

designer.html

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

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

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
    </style>
  </template>

  <script>
  (function() {
    // these variables are shared by all instances of app-globals
    var firstName = 'John';
    var lastName = 'Smith';

    Polymer({
       ready: function() {
         // copy global values into instance properties
         this.firstName = firstName;
         this.lastName = lastName;
       }
    });
  })();
  </script>
  
</polymer-element>