codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="it" xml:lang="it">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>xhtml 1.0</title>
<style type="text/css">
/* <![CDATA[ */
#box {
width:450px;
height:100%;
position:absolute;
left:165px;
top:150px;
margin: 0 auto;
max-width: 450px;
text-decoration: none;
font-size: 12px;
}
/* ]]> */
</style>
</head>
<body>
<div id="box">
Sage is a lightweight Web feed reader for Mozilla Firefox. It's got a lot of what you need and not much of what you don't. Supports RSS, Atom, automatic feed discovery, and full integration with Firefox's Live Bookmarks.
</div>
</body>
</html>
a me va già a capo correttamente... forse il tuo codice presenta altre complessità che non sappiamo