<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<html lang="en">
 <head>
  <title>CSS Block Box Model: block widths with position:relative</title>
  <style type="text/css">
   .control { display: inline; font: 1em/1 Ahem, sans-serif; background: red; color: white; }
   .outer { position: relative; height: 300px; width: 100px; background: red; }
   .inner { width: 200%; height: 200%; font: 100px/1 Ahem; color: green; }
   body { -webkit-writing-mode: vertical-lr; }
  </style>
 </head>
 <body>
  <div class="control">Ahem_font_required_for_this_test.</div>
  <div class="outer">
    <div class="inner">XXX</div>
  </div>
 </body>
</html>