349621 CSS Tweak

Hi, I have installed Kunena Forum on my Joomla site. The site uses a Gavick template. The project is: 1. To stretch the forum to fill the width of page. The changes should be only for the (/forum) pages and not for the entire site. 2. The color of the forum has to be changed to match the template. This is a easy job for any experienced CSS developer. Have a look at the attachment and you will understand.