I was wondering if someone could tell me if it is possible to take the navbar I made for the website, Website which was created using Dreamweaver and Fireworks, and convert it to CSS. What I am trying to do is convert the site to mainly CSS. I'm not looking for someone to tell me exactly how to do it, just if its possible and maybe how I would get started. I have already made an attempt at it but it didn't turn out well.

Emphatically yes
and there are dozens of tutorials on creating css menu bars on the web
with drop downs on some items, mouseover and onclick effects
(hover and active effects)
they work the same in browsers with/without javascript, only better

Google pure css menus and take your pick

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