boxed drop down menu

Can someone tell me if it;s possbile to create a menu in opencart like this?

http://rainbow-themes.com/themes/velvet/welcome/

I want a droop=menu like that..for subcategories.

Please select from DEMO SETTINGS ( left side menu ) - Navigation Type: Boxed ... so u can see the menu type..the default its just a simple drop down menu.

Cheers.