chromium/content/browser/resources/gpu/gpu_internals.html

<!doctype html>
<html dir="ltr" lang="en">
<!--
Copyright 2012 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<head>
<meta name="viewport" content="width=device-width" />
<title>GPU Internals</title>
<style>
  :root {
    color-scheme: light dark;
  }
  * {
    box-sizing: border-box;
    user-select: none;
  }

  body {
    cursor: default;
    font-family: sans-serif;
    margin: 8px;
    padding: 0;
  }

  #debug-div {
    border: 1px solid red;
    display: flex;
    left: 50%;
    position: fixed;
    top: 0;
  }
</style>
<script type="module" src="gpu_internals.js"></script>
</head>
<body>
  <div id="debug-div"></div>
  <info-view></info-view>
</body>
</html>