         border-left: 1in solid red;
                width: 1in;
            }
            div div
            {
                border-left: 1in solid black;
                margin-left: -2in;
                left: +100%;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is <strong>no red</strong>.</p>
        <div id="div1">
            <div></div>
        </div>
    </body>
</html>