<!--1 table-->
<table width="800" border="0" cellpadding="0" cellspacing="10" bgcolor="#006600">
<tr>
<td>
<!--2 table-->
<table width="800" border="0" cellspacing="0" cellpadding="0">
<tr>
<td bgcolor="#CCCCCC">2 Table</td>
</tr>
</table>
<!--table-->
</td>
</tr>
</table>
<!--1 table-->
Try this code, hope this will solve problem
Regards
