I am very new to all of this, and I had my site up and running. Everything looked good and then I saw this. The last menu heading shifted to the bottom left of the page, when it was all straight across(which is what I want). I am using the ZINNIA theme. Here is a link to my site, any help would be greatly appreciated http://www.ambitusorchestra.com
Chances are you will need to change either the size of your font or the spacing, or both.
Unless we can see the problem, it will not be possible to help any further. I did not see anything that looked like it was shifted from the menu. If you have modified the menu so it does not shift, please set it back. Otherwise, please explain what to look for.