I got it mostly down, but I have to use a DIV inside the cell to make sure the cell size are correct and make sure to catch anything that overflows.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
<style type="text/css">
table
{
padding: 0px;
border-collapse: collapse;
table-layout: fixed;
margin: auto;
}
td
{
height: 36px;
width: 36px;
border: 1px solid #000;
padding: 0px;
empty-cells: show;
}
td div
{
height: 36px;
width: 36px;
overflow: hidden;
}
</style>
</head>
<body>
<table>
<tr>
<td><div>tooo much content dafdasjfk;aldsfjasd;fjasl;dfhasdl;fhasdklfhadl</div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
<td><div> </div></td>
</tr>
<tr>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
<td style="border-top: 3px solid black;"><div> </div></td>
</tr>
</table>
</body>
</html>
P.S. A row of thick border is left in on purpose to make sure the cell size is not affected by the border.