21/visuren.html#display-prop" />
  <meta content="" name="flags" />
  <meta content="Generated content can have their own display value explicitly set in which case they behave as if they were real elements inserted just inside their associated element." name="assert" />

  <style type="text/css">* { margin: 0; padding: 0 }<![CDATA[
  div:before
  {
  content: "Filler text";
  display: table-header-group;
  }
  ]]></style>

 </head>

 <body>

  <p>Test passes if there are <strong>2 lines of 