leapoahead

I am afraid this is not a good time for skype because my roommate is sleeping. You can email your issues to [email address moderated – these forums do not provide support via email] .

You need to be more specific, I am happy to help you out.

You can change z-index of the menu.

So there must be something wrong with the theme. Which theme did you apply, and did you made some modification directly to the theme?

You can make this happen with ease, and with the help of the Category Order and Taxonomy Terms Order plugin.
Don’t worry that it would increate your site load, it’s extremely light-weight.

More informations about this issue is needed, maybe you can use inspector (Chrome’s built-in tool) or firebug (easy-to-use firefox plugin) to take a deeper look. It is helpful if you can get some detailed information about the blank space. For example, you might wanna know if the html code of the page is valid or not.

You can refer to this post.

Hi, you can use Child Themes, so it is safe do work out your own sidebar style sheet instead of overriding it. Does this solve your pain?