Please advise me how I can make the text on this page

Please advise me how I can make the text on this page center on the page?
http://www.happilyshared.com/why-love/

Not sure if you can see this not being logged in but I think the image avatar shares the same css here too http://www.happilyshared.com/members and whatever I do to the image on the link above happens to this one too which isnt what I want.