Quick Question

[tome109109]

https://vborg.vbsupport.ru/external/2008/10/78.jpg

I need my forum to fill up the whole gap at the right side.
What do i need to edit?

PS. right click the image > view images > to see the full thing.

--------------- Added 1222894233 at 1222894233 ---------------

somebody please help meh

[Dismounted]

Make sure that there is no table cell there taking up space, then make sure the forum table's width is 100%.