<table class="table1" border="1">

<tr>

<td>Peter</td>

<td>Griffin</td>

</tr>

<tr>

<td>Lois</td>

<td></td>

</tr>

</table>

<table class="table2" border="1">

<tr>

<td>Peter</td>

<td>Griffin</td>

</tr>

<tr>

<td>Lois</td>

<td></td>

</tr>

</table>