             top: 0;
            }
            #span1
            {
                color: red;
                vertical-align: 0pc;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is a small black square and <strong>no red</strong>.</p>
        <div id="div1">
            <div id="div2">
                <span id="span1">X</span>
            </div>
            <div id="div3">X</div>
        </div>
    </body>
</html>