yui/yui3 — comment on commit e1d2c90eed2334936210d1e1c6c53a43934ed517
File: src/button/css/cssbutton.css line 7
By derek:

Reagrding *+, it is one variation of many types of IE hacks. I'll test it to see if the "standard" * hack works the same as *+ in the specific instance I used it.