chromium/content/browser/resources/webxr_internals/session_statistics_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>Frames Statistics</h3>
<button id="copy-button">Copy Frames Statistics to Clipboard</button>
<table id="session-statistics-table">
</table>