how to Resize the length, heigth and color of drop down menu

http://dallasblvd.com/dlife/ see the problem

1. how to add more buttons without creating a second line? i need to add probably one more button.

2. how to reduce or re-size the height of the menu?

3. how to change the color of menu? ( font, buttons, hover, background, border)

thx for the cool previous support