                border-right-style: solid;
                height: 1in;
                width: 0;
            }
            #reference
            {
                border-right-width: medium;
                margin-top: 5px;
            }
            #test
            {
                border-right-style: solid;
                border-right-width: -1in;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the 2 black lines have the <strong>same width</strong>.</p>
        <div id