<!DOCTYPE HTML>
<html>
  <head>
    <meta charset="utf8">
    <title>Test style document</title>
    <!-- Any copyright is dedicated to the Public Domain.
       - http://creativecommons.org/publicdomain/zero/1.0/ -->
    <style>
    body { color: lime; }
    </style>
    <link href="style_document.css" rel="stylesheet">
    <script>
      "use strict";
      const s = new CSSStyleSheet();
      s.replaceSync("body { background-color: blue }");
      document.adoptedStyleSheets.push(s);
    </script>
  </head>
  <body>
    <iframe src="https://example.org/browser/devtools/shared/commands/resource/tests/style_iframe.html"></iframe>
  </body>
</html>
