css3-modsel-175c.xml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>Parsing: Numbers in classes</title>
  <style type="text/css"><![CDATA[
 p { color: red; }
 .\31 \33 { color: green; }
]]></style>
  <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
  <link rel="help" href="https://www.w3.org/TR/css3-selectors/#selectors"/> <!-- bogus link to make sure it gets found -->
  <link rel="match" href="reference/this-line-green-color.xht"/>
 </head>
 <body>
   <p class="13">This line should be green.</p>
</body>
</html>