<html> <body> <table cellpadding="10"> <tr> <th>0</th> <td><table cellpadding="4" border="0"><tr><td>border="0"</td></tr></table></td> <td><table cellpadding="4" border="0px"><tr><td>border="0px"</td></tr></table></td> <td><table cellpadding="4" border="0em"><tr><td>border="0em"</td></tr></table></td> </tr> <tr> <th>1</th> <td><table cellpadding="4" border="1"><tr><td>border="1"</td></tr></table></td> <td><table cellpadding="4" border="1px"><tr><td>border="1px"</td></tr></table></td> <td><table cellpadding="4" border="1em"><tr><td>border="1em"</td></tr></table></td> </tr> <tr> <th>2</th> <td><table cellpadding="4" border="2"><tr><td>border="2"</td></tr></table></td> <td><table cellpadding="4" border="2px"><tr><td>border="2px"</td></tr></table></td> <td><table cellpadding="4" border="2em"><tr><td>border="2em"</td></tr></table></td> </tr> <tr> <th>3</th> <td><table cellpadding="4" border="3"><tr><td>border="3"</td></tr></table></td> <td><table cellpadding="4" border="3px"><tr><td>border="3px"</td></tr></table></td> <td><table cellpadding="4" border="3em"><tr><td>border="3em"</td></tr></table></td> </tr> <tr> <th>10</th> <td><table cellpadding="4" border="10"><tr><td>border="10"</td></tr></table></td> <td><table cellpadding="4" border="10px"><tr><td>border="10px"</td></tr></table></td> <td><table cellpadding="4" border="10em"><tr><td>border="10em"</td></tr></table></td> </tr> </table> </body> </html>