<html>
<head>
<style>
.test { width: 100%; }
</style>
</head>
<body>

The following sets of buttons should not overlap.
<table border="0" cellspacing="1" cellpadding="1" width="100%">
<tr>
<td nowrap><input type="checkbox" value="New Mail" class="test"></td>
<td><input type="checkbox" value="Reply" class="test"></td>
<td><input type="checkbox" value="Reply All" class="test"></td>
<td width="100%">&nbsp;</td>
</tr>
</table>

</body>
</html>