chromium/content/browser/resources/webxr_internals/active_runtime_info_table.html

<style>
  h3 {
    color: var(--dark-text-color);
  }

  table {
    border-collapse: collapse;
    margin-top: 20px;
    width: 100%;
  }

  th,
  td {
    border-bottom: 1px solid var(--light-gray-color);
    padding: 8px;
    text-align: start;
  }

  th {
    background-color: var(--white-color);
    color: var(--dark-text-color);
  }
</style>
<h3>Active Runtimes</h3>
<table id="active-runtimes-table">
  <tr>
    <th>Device ID</th>
    <th>Supported Features</th>
    <th>Supports AR</th>
  </tr>
</table>