designer

designer.html

<link rel="import" href="../ace-element/ace-element.html">

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

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #ace_element {
        width: 400px;
        height: 300px;
        left: 290px;
        top: 180px;
        position: absolute;
      }
      #ace_element1 {
        width: 530px;
        height: 360px;
        left: 230px;
        top: 280px;
        position: absolute;
      }
    </style>
    <span>{{ name }}</span>
    <ace-element id="ace_element">function test() {
  var x = true;
}</ace-element>
    <ace-element id="ace_element1">function test() {
  var x = true;
}</ace-element>
  </template>

  <script>

    Polymer({
      is: 'my-element',
      properties: {
        "name": {
          "value": "Bjorn"
        }
      }
    });

  </script>

</polymer-element>