'cellspacing' sets the width of the empty space between cells in a table
<HTML> <head> <Title>Example For cellspacing</Title> </head> <BODY> <table width="542" cellSpacing="15"> <tr><th height="79" colspan="2">This table has cellSpacing="15"</th></tr> <tr><td height="79">Cell 1</td> <td height="79">Cell 2 content</td> <td height="79">Loooooooooooooooooooooooooooooooooong</td> </tr> </table> </BODY> </HTML>