having a lot of experience with EXACTLY what you are talking about & continuing Google ranking for terms like 'Texas Holdem', 'Internet Poker', etc,..I can tell you your answer. (BTW, don't let programmers tell you about CSS)

You need to simply code out your template in css & modify the modules, components, etc that are creating these tables. Modify them just like you would a tables site you are pulling into css, but you have to realize that the different parts of the cms all need to be updated. If you get a new module that you download from somewhere, update it & use it in the future.

Easy