<style type="text/css">
.table_style{ border-left:1px solid red; border-top:1px solid red;}
.table_style td{ border-right:1px solid red; border-bottom:1px solid red;}
</style>
<table border="0" cellpadding="0" cellspacing="0" class="table_style">
<tr>
<td>1</td>
<td>2</td>
</tr>
</table>