Remove 移除

字体:.lhh,.tip,.full,.di,.hide,.show,.noclip
布局:.fbox,.flist,.iblock,.iflex,.auto(o),.mid,.pf,.ct,.fix,``.fixed,po`,`.igrid`,`.cols`
图像:`.gradient`,`.tb`,`.blur`,`.sprite`
其它:`.tsfix`,`.iconfont`

Refine 重定义

.flex(x),.flex(y),.flex(o),.grid(x)

Merge/Optimize 合并与优化

.fz,.color,.break,.nobreak

感谢@seven-phases-max
http://stackoverflow.com/questions/43258855/how-to-create-a-random-keyframes-name-by-less-fix-the-space-or-quote-symbol