CSS3 Clean Mega Menu
![3](http://static.oschina.net/uploads/img/201201/27092955_xDdT.jpg)
Menu with CSS3 Effects and Notification Bubbles
![4](http://static.oschina.net/uploads/img/201201/27092956_BWtk.jpg)
Sherpa | Complete Navigation System (CSS Edition)
![5](http://static.oschina.net/uploads/img/201201/27092957_tYqs.jpg)
CSS3 Animated Mega Nav
![6](http://static.oschina.net/uploads/img/201201/27092958_KDqD.jpg)
CSS3 Mega Drop Down Menu
![7](http://static.oschina.net/uploads/img/201201/27092959_KxI1.jpg)
Mega Dropdown Enhanced
![8](http://static.oschina.net/uploads/img/201201/27093000_ITsH.jpg)
Website in a Navigation Bar
![9](http://static.oschina.net/uploads/img/201201/27093001_aBzK.jpg)
HTML5/CSS3 Drop Down Menu
![10](http://static.oschina.net/uploads/img/201201/27093001_SGmV.jpg)
Source: http://designmodo.com/css3-html5-mega-menus/