 {
                line-height: 1pt;
            }
            #div3
            {
                height: 21px;
                left: 1.1em;
                position: absolute;
                top: -9px;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the two boxes below are the same height.</p>
        <div id="div1">
            <div id="div2">X X</div>
            <div id="div3"></div>
        </div>
    </body>
</html>