designer

designer.html

<link rel="import" href="../notification-elements/notification-alert.html">
<link rel="import" href="../core-icon-button/core-icon-button.html">

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

  <template>
    <style>    
      :host {
        position: absolute;
        width: 100%;
        height: 100%;
        box-sizing: border-box;
      }
      #notification_alert {
        left: 390px;
        top: 260px;
        position: absolute;
      }
      #core_icon_button {
        left: 0px;
        top: 0px;
        position: absolute;
        width: 100%;
        height: 100%;
      }
    </style>
    <notification-alert message="Hi there!" icon="icon.png" name="notification" id="notification_alert"></notification-alert>
    <core-icon-button icon="menu" id="core_icon_button" theme="core-light-theme" on-tap="{{tap}}"></core-icon-button>
  </template>

  <script>

    Polymer('my-element', {
      tap: function() {
        this.$.notification_alert.notify();
      }
    });

  </script>

</polymer-element>