rgin: 1em;
  }

  div > div {margin: 1em 0em;}
  ]]></style>

 </head>

 <body>

  <p>Test passes if the 2 colorized rectangles are <strong>identical</strong>.</p>

  <div class="container">
    <div>First block</div>
    Anonymous second block
    <div>Third block</div>
  </div>

  <div class="container">
    <div>First block</div>
    Anonymous second block
    <div>Third block</div>
  </div>

 </body>
</html>