I know there is a modification to do that (or there used to be). I wrote an article on how to use CSS to do what you are showing and then someone wrote a modification to do it shortly after using options and such. It's by someone who has released a ton of mods here, but his name is just escaping me now.
Noone can tell you how to change CSS issues (like the Threads: and Posts

from an image. You would need to post a link.