css21/margin-padding-clear/margin-collapse-min-height-002.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS margin: Margin collapsing and elements with min-height</title>
<link rel="author" title="Bert Bos" href="mailto:bert@w3.org" />
<link rel="help" href="http://www.w3.org/TR/CSS2/box.html#collapsing-margins" />
<link rel="match" href="margin-collapse-min-height-002-ref.xht" />
<meta name="assert" content="If the top margin of a box with non-zero computed 'min-height' and 'auto' computed 'height' collapses with the bottom margin of its last in-flow child, then the child's bottom margin does not collapse with the parent's bottom margin." />
<style type="text/css">
  #container {width: 50px; height: 50px; border-top: 1px solid transparent;
    border-bottom: 100px solid red; background: green}
  #parent {height: auto; min-height: 50px; background-color: white}
  #child {margin-bottom: 50px}
  #following-sibling {height: 50px; background-color: green}
</style>
</head>
  <body>
    <!-- Credit for this test goes to Anton Prowse, see
	 https://www.w3.org/Bugs/Public/show_bug.cgi?id=16036#c4 -->
    <p>There should be two solid green squares and no red on this page</p>
    <div id="container" >
      <div id="parent">
     	<div id="child"></div>
      </div>
      <div id="following-sibling"></div>
    </div>
  </body>
</html>