<!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 Reference File</title>
        <link href="mailto:rhauck@adobe.com" rel="author" title="Rebecca Hauck" />
    <style>
       body {
            margin: 0;
        }
       #green-square {
          position: absolute;
          top: 50px;
          left: 10px;
          width: 240px;
          height: 240px;
          background-color: green;
      }
    </style></head>
    
    <body>
        <p>The test passes if there is green square and no red.</p>
        <div id="green-square"></div>
    
</body></html>