Yahoo actually came up with something similar http://acss.io/ http://acss.io/ Benefits over just using inline styles: 1) support for pseudo-classes (:hover) 2)

Yahoo actually came up with something similar http://acss.io/ http://acss.io/ Benefits over just using inline styles: 1) support for pseudo-classes (:hover) 2) reduce markup bloat (shorter class declarations vs equivalent inline-style declarations)