Once the interface is open, you can change pretty much every element of the menu to one degree or another. You can accomplish this using preset fonts and letter styles or by creating your own in Photoshop and then importing the file.
By default, the Looks menu button is active when you open the interface. This allows you to change the style, font, and point size of the background and button text.
To edit the menu text
To alter the style
Saving a style
Once you've created the most awesome font and colored shadow style known to humankind, you'll probably want to save it. You do this by simply adding it to the favorites area.
To save the current look