increasing width of post content?

Hi, I'm using catch box pro, with the right-side bar layout. 1. I would like to move the right side bar a bit to the right, how do I do this? Here's what I mean: http://i.imgur.com/9lZSveX.png 2. Next, I would like to increase the width of the post area (in both left and right direction). Here's what I mean: http://i.imgur.com/IE3HRFG.png 3. Finally, with the post width increased, I would also like to reduce the padding on the left and right direction of the post area, so the letters are close to the border. Here's what I mean: http://i.imgur.com/vxyRXuI.png Can you show me what numbers/edits I need to change to accomplish this? Thanks.