Creating cross-client email logo using tables and no images - html

Question

I am trying to create a "cool" email signature for my company using only text and html with NO images whatsoever. I am trying to recreate our company's logo using only tables since it is basically a four cell table with different bg colors. What seemed easy at first has become quite a nuisance. It obviously looks good in browsers but once I paste it into Outlook 2013 the cells don't retain their height and width values. Any suggestions on how to make this work across most current email clients??
http://codepen.io/anon/pen/wqaLm

Answer 1

Firstly, a good technique is to style your cells inline like:
<td style="width:10px; height:10px;">
Secondly: have a look at this article: "A complete breakdown of the CSS support for every popular mobile, web and desktop email client"

Answer 2

Here is a basic example. Not sure exactly what the logo looks like, so here are a few versions. If you want to have the gap between the cells smaller than 20px, you need to use the 3rd technique. This is because Outlook has a min-height on cells of around 19px which will create a larger gap between the rows.
<table width="100" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="50" height="50" bgcolor="#333333">
</td>
<td width="50" height="50" bgcolor="#555555">
</td>
</tr>
<tr>
<td width="50" height="50" bgcolor="#444444">
</td>
<td width="50" height="50" bgcolor="#666666">
</td>
</tr>
</table>
<br><br>
<table width="100" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="40" height="40" bgcolor="#333333">
</td>
<td width="20" height="40">
</td>
<td width="40" height="40" bgcolor="#555555">
</td>
</tr>
<tr>
<td width="40" height="20">
</td>
<td width="20" height="20">
</td>
<td width="40" height="20">
</td>
</tr>
<tr>
<td width="40" height="40" bgcolor="#444444">
</td>
<td width="20" height="40">
</td>
<td width="40" height="40" bgcolor="#666666">
</td>
</tr>
</table>
<br><br>
<table width="60" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="30" height="30" align="left" valign="top">
<table width="25" height="25" border="0" cellpadding="0" cellspacing="0">
<tr>
<td bgcolor="#333333">
</td>
</tr>
</table>
</td>
<td width="30" height="30" align="right" valign="top">
<table width="25" height="25" border="0" cellpadding="0" cellspacing="0">
<tr>
<td bgcolor="#555555">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="30" height="30" align="left" valign="bottom">
<table width="25" height="25" border="0" cellpadding="0" cellspacing="0">
<tr>
<td bgcolor="#444444">
</td>
</tr>
</table>
</td>
<td width="30" height="30" align="right" valign="bottom">
<table width="25" height="25" border="0" cellpadding="0" cellspacing="0">
<tr>
<td bgcolor="#666666">
</td>
</tr>
</table>
</td>
</tr>
</table>