   background-color: red;
      bottom: 10px;
      height: 10px;
      position: relative;
      width: auto;
      z-index: -1;
    }
  ]]></style>

 </head>

 <body>

  <p>Test passes if there is an horizontal green bar and <strong>no red</strong>.</p>

  <hr></hr>

  <div id="overlapped-red"></div>

 </body>
</html>