designer

designer.html

<link rel="import" href="../paper-toast/paper-toast.html">

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

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #core_card {
        width: 43%;
        height: 43%;
        border-top-left-radius: 2px;
        border-top-right-radius: 2px;
        border-bottom-right-radius: 2px;
        border-bottom-left-radius: 2px;
        box-shadow: rgba(0, 0, 0, 0.0980392) 0px 2px 4px, rgba(0, 0, 0, 0.0980392) 0px 0px 3px;
        padding: 1%;
        margin: 1%;
        background-color: rgb(255, 255, 255);
      }
      #div {
        position: absolute;
        top: 0px;
        left: 0px;
        width: 100%;
        height: 100%;
      }
      #paper_toast {
        left: 690px;
        top: 570px;
        position: absolute;
      }
    </style>
    <div id="div" center-justified wrap horizontal layout>
      <core-card id="core_card" layout vertical></core-card>
      <core-card id="core_card1" layout vertical></core-card>
      <core-card id="core_card2" layout vertical></core-card>
      <core-card id="core_card3" layout vertical></core-card>
    </div>
    <paper-toast id="paper_toast" text="Toast!" class="core-transition core-transition-bottom" opened="true">Boink</paper-toast>
  </template>

  <script>

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

  </script>

</polymer-element>