We ended up using a lot of CSS3 at this point for our buttons. We used a lot of hover effects throughout the site. On the movies page, we added a hover effect to one of the movie images. If you want to learn more about CSS3, there's a great book in the Packt library called Designing Next Generation Web Projects with CSS3 by Sandro Paganotti.
Also, you might want to check out CSS3 for Web Designers, second edition by Dan Cederholm, available through abookapart.com.