   {
                border-left: 6em solid black;
                height: 1in;
                margin-top: 10px;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the two boxes below are the same width.</p>
        <div id="div1"></div>
        <div id="div2"></div>
    </body>
</html>