Form fields in webchat popup

In userinfo.jsp I see the following coding

<tr valign="top">

<td class="formtext" height="1%" width="1%" nowrap><%= label%><%= requiredStr%></td>

<td><%= FormUtils.createAnswers(field, request)%></td>

</tr>

When I view source from browser it has

I would like to add a class and change style=“width:75%”