Css Help please with Comments Rocks Plus

Hey Guys and Divas

I need some help on this site http://www.extremebootcamp.co.za

Now i have tried to get this comments box in the center of the page, if any one of you can let me know what i can do to make it work with this theme http://wplook.com/blogolife?utm_source=Blog&utm_medium=theme&utm_campaign=BlogoLife it would be super cool