No padding on top of menu please

Hi there, I would like the top menu to have no padding for the way I have designed my site. I am not displaying the website title and tagline and at the moment, I get a white section on top of the menu. It would be great to have the top menu stick right to the top of the browser window. check guggenbuehlfotografie.ch to see what I mean. I would love to submit a screenshot but I don't see any means here, sorry. Greetigs, Eilwen p.s I have given up on using the portfolio section and I'm using featured content instead,that works fine.