header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 132px;
        color: #fff;
        background-color: #4285f4;
      }

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

      app-toolbar {
        margin-bottom: 20px;
      }

      sample-content {
        padding-top: 132px;
      }

    </style>
  </custom-style>
</head>
<body unresolved>

  <app-header fixed condenses effects="waterfall">
    <app-toolbar>
      <pap