h5bp/mobile-boilerplate — pull request #119 by mataanin (2012-06-07 17:38:45+00:00)
Title: OnTouch highlight rgba(0,0,0,.7) moved to css for customisation

Obviously such change allows to change the color of the highlight :)

Also, sometimes you want to make an element "active" as soon as it is touched. It is very handy to do using such a css class.