.button a {
width: 100px;
font-size: 12px;
line-height:14px;
padding: 3px;
display: block;
text-align: center;
background-color:#ddd;
}
.button a:link, .button a:visited {
color: #222;
text-decoration: none;
border:1px solid #aaa;
}
.button a:hover {
color: #222;
background-color: #abc;
border-top: 1px solid #222;
border-left: 1px solid #222;
}
<table width="275">
<tr>
<td width="50%">
<div class="button">
<a href="" name="">Yes</a>
</div>
</td>
<td width="50%">
<div class="button">
<a href="" name="">No</a>
</div>
</td>
</tr>
</table>