chromium/third_party/blink/web_tests/css2.1/t040103-escapes-02-d.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
 <head>
  <title>CSS 2.1 Test Suite: Characters and Case: Character Escapes</title>
  <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#q6">
  <style type="text/css">

  p.class#id { background: green; color: white; }

  p\.class#id { background: red; }

  p.class\#id { background: red; }

  p.class#id { background\: red; }

  p.class#id { background: red\; }

  p.class#id \{ background: red; \}
  p.class#id { background: red; }

  </style>
 </head>
 <body>

 <p id="id" class="class">This paragraph should have a green background.</p>

 </body>
</html>