le src="../../../../../dist/ionic/ionic.js"></script>
    <script type="module" src="../../../../../dist/ionic/ionic.esm.js"></script>

    <style>
      ion-toolbar {
        --opacity: 0.5;
      }
    </style>
  </head>

  <body>
    <ion-app>
      <ion-header>
        <ion-toolbar>
          <ion-title>Pull To Refresh</ion-title>
        </ion-toolbar>
      </ion-header>

      <ion-content fullscreen>
        <ion-refresher id="refresher" slot="fixed">
          <ion-refresher-content
            pul