<html>
<head>
<style>
div.box {
  height: 100px;
  width:100px;
  background-color:red;
  display: -moz-box;
  display: -webkit-box;
  display: box;
  position: relative;
}

div.block {
  width: 100px;
  height: 100px;
  bottom: 0px;
  right: 0px;
  background-color: green;
  position: absolute;
}
</style>
</head>
<body>
<p>You should see a 100x100 green square below.  If you see any red, then the test has failed.  This test is ensuring
that boxes can act as containing blocks for positioned elements.
</p>
<div class="box"><div class="block"></div></div>
</body>
</html>