designer

designer.html

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

<polymer-element name="line-chart" attributes="m">

  <template>
    <style>    
      #x_design_host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
    </style>
    line-chart: {{m}}
  </template>

  <script>

    Polymer('line-chart', {
      m: 123
    });

  </script>

</polymer-element>

<line-chart></line-chart>
<line-chart m="hi"></line-chart>