
  }

  div#parent-block {margin-bottom: 100px;}

  div.vertical-gap-separator
  {
  background-color: green;
  height: 10px;
  }

  div#element-without-clearance
  {
  clear: both;
  margin-top: 100px;
  }
  
  /*
  In this test, div#element-without-clearance
  is what the spec refers to as
  'collapsed through' box
  http://www.w3.org/TR/CSS21/box.html#collapsed-through
  */
  </style>

 </head>

 <body>

  <p>Test passes if there is a vertical gap<br>
  of exactly 100px between 2 green bars.</p>

  <div 