round: black;
                display: inline-block;
                height: 1em;
                width: 2em;
            }
            #div3
            {
                margin-left: 3em;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there are only two boxes below.</p>
        <div id="div1">XX   XX</div>
        <div id="div2"></div><div id="div3"></div>
    </body>
</html>