<html>
  <head>
    <style type="text/css">
      body           { background: lightblue }
      p:first-line   { font-family: monospace }
      p:first-letter { font-family: sans-serif }
    </style>
  </head>
  <body>
    <p style="width: 100px"><span>The first letter of this paragraph should be
        in sans-serif while the first-line should be in monospace.</span></p>
  </body>
</html>