<!DOCTYPE html>
<html>
  <head>
    <title>CSS 2.1 Test Suite: anonymous table boxes</title>
    <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu" />
    <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" />
    <link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#anonymous-boxes"/>
    <meta name="flags" content="dom" />
    <style>
      #t:before { content: "a" }
    </style>
  </head>  
  <body>
    <span id="t">
      <span style="display: table-cell">b</span>
      <script>document.body.offsetWidth</script>
      <span style="display: table-cell">c</span>
      d
    </span>
  </body>
</html>