ere is a preceding floated block." name="assert" />

  <style type="text/css"><![CDATA[
  body
  {
  background-color: white;
  }

  #parent-block
  {
  background-color: red;
  margin-bottom: 0px;
  }

  #sibling
  {
  background-color: green;
  height: 100px;
  }

  #element-without-clearance-applied
  {
  clear: both;
  margin-top: 100px;
  }
  ]]></style>

 </head>

 <body>

  <p>Test passes if there is a wide filled green rectangle and <strong>no red</strong>.</p>

  <div id="parent-block">
    <div id