布局类:header, footer, container, main, content, aside, page, section
包裹类:wrap, inner
区块类:region, block, box
结构类:hd, bd, ft, top, bottom, left, right, middle, col, row, grid, span
列表类:list, item, field
主次类:primary, secondary, sub, minor
大小类:s, m, l, xl, large, small
状态类:active, current, checked, hover, fail, success, warn, error, on, off
导航类:nav, prev, next, breadcrumb, forward, back, indicator, paging, first, last
交互类:tips, alert, modal, pop, panel, tabs, accordion, slide, scroll, overlay
星级类:rate, star
分割类:group, seperate, divider
等分类:full, half, third, quarter
表格类:table, tr, td, cell, row
图片类:img, thumbnail, original, album, gallery
语言类:cn, en
论坛类:forum, bbs, topic, post
方向类:up, down, left, right
其他语义类:btn, close, ok, cancel, switch; link, title, info, intro, more, icon; form, label, search, contact, phone, date, email, user; view, loading...
二、页面结构