designer

designer.html

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

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

  <template>
    <style>    
      #core_header_panel {
        border: 1px solid;
        opacity: 0.7;
      }
      #core_toolbar {
        color: rgb(255, 255, 255);
        background-color: rgb(79, 125, 201);
      }
      #section {
        height: 1000px;
        background: linear-gradient(rgb(214, 227, 231), rgb(173, 216, 230));
      }
    </style>
    <core-header-panel mode="standard" shadow id="core_header_panel" horizontal layout center center-justified wrap one flex>
      <core-toolbar id="core_toolbar">
        <core-icon-button icon="menu" id="core_icon_button"></core-icon-button>
        <div id="div">Best-Supplement</div>
      </core-toolbar>
      <section id="section"></section>
    </core-header-panel>
  </template>

  <script>

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

  </script>

</polymer-element>