Bullet-proof rounded corners that work all the way down to Netscape 4.79
<table>
   <tr>
      <td width="50"><img src="top-left.gif" height="50" width="50"></img></td>
      <td height="50" bgcolor="#000000">
      <td width="50"><img src="top-right.gif" height="50" width="50"></img></td>
   </tr>
   <tr>
      <td width="50" bgcolor="#000000"></td>
      <td bgcolor="#000000">
         <h3 color="#ffff00">See?  Rounded Corners are Easy!  And Awesome!</h3>
      </td>
      <td width="50" bgcolor="#000000"></td>
   </tr>
   <tr>
      <td width="50"><img src="bottom-left.gif" height="50" width="50"></img></td>
      <td height="50" bgcolor="#000000">
      <td width="50"><img src="bottom-right.gif" height="50" width="50"></img></td>
   </tr>
</table>

If you'd like to add your own enterprise tips, fork this project on GitHub.

This is a joke.
Fork me on GitHub