Office风格CSS3多级菜单，仿Office软件的窗体和菜单风格，做的很像了，来自国外的HTML5达人的作品，菜单前面的小图标是使用的图片，喜欢类似风格菜单的前端设计朋友，或许可从中学习到一些技巧。CSS3目前在主流的IE8下表现并不出色，所以兼容性方面还有待关注。-Office Style CSS3 Multi-level menu, imitation Office software forms and menu style, do like the, HTML5 works of people　abroad, in front of the menu icons are small images used, like the front-end design similar style menus friend , perhaps to learn some skills. CSS3 is currently in the mainstream IE8 performance is not good, so there is still to be concerned about compatibility.