Efectos
http://www.htmldrive.net/categorys/show/13/Text-Link-Effects

Fuentes: 
1. http://www.antocas.com/crear-menu-desplegable
2. http://www.creativejuiz.fr/blog/theme/tutoriels
3. http://www.lawebera.es/como-hacer/ejemplos-css/menu
4. http://le-blog-facile.ek.la/boites-deroulantes-au-survol
     a. http://pourquoipas732.eklablog.com/boite-deroulante
5. !!! http://papyrocktest.eklablog.com/menu-ccs-effet
6. http://vagabundia.blogspot.com/2010/07/menu-desplegable-con-css.html
7. http://www.dynamicdrive.com/style/csslibrary/category/C2/
8. Colorido
9.  Lista muy amplia
10. http://www.lawebera.es/como-hacer/menu-y-galeria-imagenes-slide
11. http://www.menucool.com/vertical/accordion-menu#view4 

12. http://codepen.io/MorenoDiDomenico/pen/MYoMYQ
13. http://codepen.io/jennyveens/pen/GgEdpy
14. http://codepen.io/lbebber/pen/RNgBPP
15. http://codepen.io/lbebber/pen/rawQKR
16. http://codepen.io/mehmetmert/pen/MYmxXx
17. http://codepen.io/ilanf/pen/ramzxe
18. http://codepen.io/masumonline/pen/PwmPeR
19. http://codepen.io/SitePoint/pen/PwmjYp
20. http://codepen.io/HieuHuynh/pen/ogZNbY
21. http://bradsknutson.com/blog/simple-css-navigation-menu/
22. http://codepen.io/thecolonizemarseffort/pen/tefnB
23. http://codepen.io/caseybaggz/pen/KoBjE24.
25. http://codepen.io/spookyscary/pen/qpwaG
26. http://codepen.io/gloparco/pen/cdqvl
27. http://codepen.io/rafaelrinaldi/pen/tihsD
28. http://codepen.io/ruigewaard/pen/twedl
29. http://codepen.io/billycrist/pen/AwitH
30. http://codepen.io/pathogen/pen/XJEaoY
31. http://codepen.io/WGoldsworthy/pen/ZYXpWw
32. http://www.ciudadblogger.com/Men%C3%BAs
    a. Con buscador
33.  http://mmenu-horizontal-con-submenus-en-dos-columnas
34. http://tympanus.net/animated-content-tabs-with-css3/
35. http://tympanus.net/creative-css3-animation-menus/
36. http://www.ciudadblogger.com/2014/07/menu-horizontal-con-buscador-expandible.html
37.http://codepen.io/rbobrowski/pen/likvA
38. http://codepen.io/Frecosse/pen/Akwdo
39. http://www.script-tutorials.com/css3-multicolor-menu/
40. http://www.script-tutorials.com/css3-vertical-multicolor-3d-menu/
41. http://www.script-tutorials.com/tag/menu/page/2/
42. http://www.jose-aguilar.com/blog/menu-vertical-desplegable-con-css/
43. http://webgenio.com/2014/05/22/100-increibles-menus-css/
44. http://www.ciudadblogger.com/2010/09/menu-desplegable-con-efecto-deslizante.html
45. http://www.ciudadblogger.com/2010/06/menu-tipo-acordeon-con-efecto.html
46. http://www.flashvortex.com/menus.php
47. http://bradsknutson.com/blog/simple-css-navigation-menu/
48. http://www.freshdesignweb.com/css3-hover-effects-with-websymbols-tutorial.html
49.http://www.css3create.com/Navigation-a-onglets-fluides-avec-les-transitions-CSS