Change Color of Menu Bar

How do I change the background color of just the men bar so it stands out more?

It is currently set to white. I want to change to a light purple, while having the mouse over continue to be the dark purple. (www.annemerson.com)

Thank you.

 

Hello,

Paste this code in Custom CSS
Appearance > Theme Option > Styling Option > Custom CSS

Code:

.menu_bar {
background-color:red;
}

Inplace of "red" put your color code.