Changes
<table style="width:100%;border:0px">
<!-- ROW SEARCH GUIDELINE -->
<tr>
<td style="width:100%;padding:0px;margin:0px">
<!-- SEARCH GUIDELINE -->
<table style="width:100%;background-color:#ffffff;border:1px solid lightgrey;padding:2px;margin:0px">
<tr>
</tr>
</table>
<!-- SEARCH GUIDELINE -->
</td>
</tr>
<!-- ROW SEARCH GUIDELINE -->
</table>