¡¡¡Atenvión!!!  Este web en CSS puede añadir link que causa problemas,

1. http://cssdeck.com/labs/ribbonmenu
2. http://cssdeck.com/labs/css3
3. http://cssdeck.com/labs/uhvocnp8
4. http://cssdeck.com/picks/128
5. http://cssdeck.com/labs/qyb5yqnz
6. http://cssdeck.com/picks/131
7. Piano menu
http://cssdeck.com/labs/pure-css3-vertical-piano
a. Texto
http://cssdeck.com/labs/pure-css3-piano
8. http://cssdeck.com/picks/166
9. http://cssdeck.com/picks/138
10. http://cssdeck.com/picks/167
11. http://cssdeck.com/labs/obnav
12. http://cssdeck.com/picks/177
13. http://cssdeck.com/labs/obligatory-css3-ui-nav
14.http://cssdeck.com/picks/184
15. http://cssdeck.com/labs/mobile-site-mockup
16. http://cssdeck.com/picks/196
17. http://cssdeck.com/labs/create-great-css3-menus-for-smartphones
18. http://cssdeck.com/labs/top-menu-slider
19. http://cssdeck.com/picks/213
20. http://cssdeck.com/picks/225
21. http://cssdeck.com/picks/245
22. http://cssdeck.com/picks/247
23. http://cssdeck.com/picks/249
24. http://cssdeck.com/picks/257
25. http://cssdeck.com/picks/281
26. http://cssdeck.com/picks/284
27.Menu y acordeón para texto
http://cssdeck.com/picks/188
28. http://cssdeck.com/labs/a-flash-blue-menu
29. http://cssdeck.com/picks/305
30. http://cssdeck.com/labs/isiatjul
31. http://www.css3create.com/Menu-avec-slider-effet-transition
32. Generador
 a. http://accordion-menu.helpscoutdocs.com/article/
33. http://www.cssscript.com/pure-css-mobile-compatible-responsive-dropdown-menu/
34. http://www.cssscript.com/simple-clean-pure-css3-dropdown-menu/
35. Horizontal 2 nivel http://codepen.io/psepse/pen/jAYPLZ
36. Vertical 1 niv http://codepen.io/Ory4n/pen/zBvMMy
37. Vertic 2 nivel -http://codepen.io/cynthiaann323/pen/QNeRPZ
38. Vertic 1 nivel interesante cubos -http://codepen.io/Nomi446/pen/YqdZmR
39. Vertical 2 niveles interesante , no funciona http://codepen.io/ducrat/pen/wGdxML
40. Vertical 1 nivel con 3 opciones -http://codepen.io/nuel/pen/zqNdGQ
41. 1 nivel interesante http://codepen.io/ranjithabalaraman/pen/ixCry
42. Vertic 2 niev no me funci- http://codepen.io/lawnch/pen/fprjD
43. 1 niev interes - http://codepen.io/ranjithabalaraman/pen/ixCry
44. 1 nivel original - http://codepen.io/jmendoza_tx/pen/Lozwa
45. Google
46. http://www.araudi.net/Desplegables/menu_desplegable12.html
47. http://www.araudi.net/Desplegables/menu_desplegable9.html
48. http://bootsnipp.com/snippets/featured/multi-level-dropdown-menu-bs3
48. http://themedemos.dottoro.com/features/menu/horizontal-submenu/
50. http://stackoverflow.com/questions/12306439/drop-down-menu-3-level-horizontal-followed-by-2-verticals
51. http://html-tuts.com/drop-down-menu-html-css-3-levels-deep/
52. http://blog.nnatali.com/2008/10/02/css-menu-horizontal-desplegable-y-bonito/
53. http://acordesinformaticos.blogspot.com.es/2014/06/crear-un-menu-desplegable-con-css-y-html.html