designer

designer.html

<link href="../core-icon-button/core-icon-button.html" rel="import">
<link href="../core-toolbar/core-toolbar.html" rel="import">
<link href="../core-header-panel/core-header-panel.html" rel="import">

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

  <template>
    <style>    
      #design_host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #core_header_panel {
        width: 300px;
        height: 400px;
        left: 0px;
        top: 0px;
        position: absolute;
      }
      #core_toolbar {
        background-color: rgb(79, 125, 201);
        color: rgb(255, 255, 255);
      }
      #section {
        height: 1000px;
        background: linear-gradient(rgb(214, 227, 231), lightblue) repeat scroll 0% 0% transparent;
      }
    </style>
    <core-header-panel mode="standard" id="core_header_panel">
      <core-toolbar id="core_toolbar">
        <core-icon-button icon="menu" id="core_icon_button"></core-icon-button>
        <div id="div">Header</div>
      </core-toolbar>
      <section id="section"></section>
    </core-header-panel>
  </template>

  <script>

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

  </script>

</polymer-element>