...del cammin di nostra vita, mi si ruppe la matita e scrissi
questo...

codice:
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

  <head>
    <style type="text/css">
    <!--

      html, body, table, td {
        height: 100%;
        width: 100%;
        text-align: center;
        vertical-align: middle;
      }

    //-->
    </style>
  </head>

  <body>
    <table>
      <tr><td>
        <marquee>TESTO CENTRATO SCRORREVOLE</marquee>
      </td></tr>
    </table>
  </body>

</html>