<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Reftest Reference</title>

  <link rel="author" title="GÃ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">

  <link rel="stylesheet" href="../support/highlights.css">
  <style>
  div
    {
      font-size: 48px;
      letter-spacing: 1em;
    }

  span#yellow
    {
      background-color: yellow;
    }

  span.orange
    {
      background-color: orange;
    }
  </style>

  <p>Test passes if the background of characters 