Menu: HTML5 & CSS3

http://www.smashingapps.com/2013/02/18/48-free-dropdown-menu-in-html5-and-css3.html

http://www.antsmagazine.com/web-development/40-free-dropdown-menus-in-html5-and-css3/

http://www.html5xcss3.com/p/responsive-menus-tutorials.html

http://tympanus.net/codrops/2013/07/30/google-nexus-website-menu/