Menu nav alignment problem

Hi, www.poradnikniemowlaka.pl and www.bathroomdesign.pl I have the same problem on both sites with menu nav bar. I want align it to the right side, but I cant. I did as you said before and it was ok for few days, but yesterday something happened and i got this : I couldnt add direct link to screen because some forum filters blocked my post so: http://pastebin.com/0AiBY8Gp 1 screen is from my laptop and 2 from my home pc. I know it can be resolution issue, but maybe you think something Sakin. Thanks for great support. D.