<table border="1" cellpadding="0" cellspacing="0" class="bCard">
<thead>
<tr>
<th class="bCol">B</th>
<th class="bCol">I</th>
...
</tr>
</thead>
<tbody>
<tr>
<td>
<table border="0" class="bCol">
<tbody>
<tr><td class="bCol">B1</td>
<tr><td class="bCol">B2</td>
...
</tbody>
</table>
</td>
...
</tr>
</tbody>
</table>