text: <!DOCTYPE html>
  <html>
  <head>
  
  <style id="firstLetterSheet">
    .fl:first-letter { color: red }
  </style>
  
  <script>
  
  function boom()
  {
    document.getElementById("parent").className = "";
    document.body.offsetWidth;
    document.getElementById("test").style.position = "relative";
  }
  
  </script>
  
  </head>
  
  <body onload="boom()">
  
  <div class="fl" id="parent" style="color: green">
    Foo <span id="test">Bar</span>
  </div>
  
  </body>
  </html>
  