px;
                width: 1in;
            }
            #div3
            {
                border-top: 96px solid black;
                left: 100px;
                position: absolute;
                top: 0;
                width: 1in;
            }
        </style>
    </head>
    <body>
        <p>Test passes if 2 black squares have the same height.</p>
        <div id="div1">
            <div id="div2"></div>
            <div id="div3"></div>
        </div>
    </body>
</html>