<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <style>
      #result {
        color: green;
        text-decoration: underline;
        text-transform: lowercase;
        background: yellow;
      }
    </style>
  </head>
  <body>
    <div id="result">text</div>
  </body>
</html>