>
  <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#floats" />
  <link rel="match" href="floats-124-ref.xht" />

  <style type="text/css">
   /* reset everything to be sure we don't introduce oddities */
   div { border: 0; padding: 0; margin: 0; line-height: 1; float: left; }
   span { border: 0; padding: 0; margin: 0; line-height: 1; display: inline; }

   /* the test */
   div { background: red; }
   span.control { background: green; color: white; }
   span.test { padding-bottom: 10em; }
 