       background-color: #4285f4;
        color: #fff;
      }

      app-header paper-icon-button {
        --paper-icon-button-ink-color: white;
      }

    </style>
  </custom-style>



  <dom-module id="simple-layout">
    <template>
      <style>
        app-header {
          background-color: #4285f4;
          color: #fff;
        }
      </style>
      <app-header-layout fullbleed="">
        <app-header slot="header" effects="waterfall" condenses="" reveals="">
          <app-toolbar>
           