An unwanted margins and my command about width not worked : I was designing a home page but I dealt with : 

http://uupload.ir/files/ypzf_untitled.png

and something like this in footer part...


It wasn't happened for me before :(

there are all stylesheets and html docs
http://uupload.ir/view/rdtj_web_sample.rar/


I suppose They end in on column without horizontal scroll!!