mozilla/webpay — pull request #146 by muffinresearch (2013-05-31 12:57:57+00:00)
Title: Workaround button repaint issue b2g (bug 840117)

This fixes the super-annoying issue where the buttons disappear on the pin entry screen when you enter the pin or backspace. Poking the z-index of the buttons is enough to force a re-paint.