10 个顶级的 CSS3 + HTML5 的菜单实现

CSS3 Clean Mega Menu

Menu with CSS3 Effects and Notification Bubbles

Sherpa | Complete Navigation System (CSS Edition)

CSS3 Animated Mega Nav

CSS3 Mega Drop Down Menu

Mega Dropdown Enhanced

Website in a Navigation Bar

HTML5/CSS3 Drop Down Menu

Source: http://designmodo.com/css3-html5-mega-menus/