    }
            #div3
            {
                margin-left: 12em;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there are only two boxes below.</p>
        <div id="div1">X&nbsp; &nbsp; X</div>
        <div id="div2"></div><div id="div3"></div>
    </body>
</html>