CodeCanyon - Vertical Elan - Responsive CSS3 Vertical Menu - Navigation and Menus | 123 KB
CSS3 mega drop down responsive menu for your web site. You can change font size, font color, background color and other options. Menu has 5 columns grid and work on all major browsers. But animation and some feauters on IE do not work.
If you like it please rate it.
DEMO:
http://codecanyon.net/item/vertical-elan-responsive-css3-vertical-menu/4508770