Standard width for embedded question? Pleas help!

I am having trouble with sizing response options for embedded questions. 

I tried inserting “width: 33%” in the code below, but the email looks like the attached image. 

Can someone help me either with CSS or with this HTML? 

<tbody>
	<tr>
															<td style="background:#FF5200;border-radius:3px;"><a href="${l://ChoiceLink/QID49/1}" style="display:block;font-size:12px;text-decoration:none;color:#FFFFFF;border:12px solid #FF5200;border-radius:3px;background:#FF5200;">${q://QID49/ChoiceDescription/1}</a></td>
															<td style="background:#FF5200;border-radius:3px;"><a href="${l://ChoiceLink/QID49/2}" style="display:block;font-size:12px;text-decoration:none;color:#FFFFFF;border:12px solid #FF5200;border-radius:3px;background:#FF5200;">${q://QID49/ChoiceDescription/2}</a></td>
															<td style="background:#FF5200;border-radius:3px;"><a href="${l://ChoiceLink/QID49/3}" style="display:block;font-size:12px;text-decoration:none;color:#FFFFFF;border:12px solid #FF5200;border-radius:3px;background:#FF5200;">${q://QID49/ChoiceDescription/3}</a></td>
	</tr>
</tbody>