'css/common.css'>

    <title>Input Tracking</title>
  </head>
  <body>
    <header>
      <details open>
        <summary>Input Tracking</summary>
        <p>
          This sample demonstrates basic tracking and rendering of
          XRInputSources. It does not respond to button presses or other
          controller interactions.
          <a class="back" href="./">Back</a>
        </p>
      </details>
    </header>
    <script type="module">
      import {WebXRButton} from './js/util/webxr-button.js';
