how i can make border page more closer with forum

[geevest.com]

How i can make my border page more closer with my forum?
atleast 3cm.
like vbulletin.

http://www.juiceshare.com/images/ydefwz2zfl5tshd63sp.gif (http://www.juiceshare.com/)

--------------- Added 1212975924 at 1212975924 ---------------

Sorry problem solved.thx

[Princeton]

thanks for the update

for those interested, you may try editing your Spacer Size value (admincp / Style Manager / Stylevars)