I am currently running Ubuntu 13.10, cinnamon, and I have the theme minty. I am, unfortunately, a perfectionist and if everything isn't exactly how I like it, it really gets on my nerves.

As you can see in this picture, there is a white bar at the top of my applications. I really want to get rid of it and make it dark (I can make the application theme dark, but not the top bar using gnome tweak).

How can I change it?

Thank you!