   width: 2em;
            }
            #test
            {
                background: red;
                empty-cells: hide;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is an orange square in the middle of the blue square below.</p>
        <table>
            <colgroup>
                <col />
                <col />
                <col />
            </colgroup>
            <tbody>
                <tr>
                    <td></td>
       