Bug 1053613 - Lockscreen PIN keypad: backspace key misaligned & wrong, vertical separators missing, last row too high
Merge pull request #22879 from mnjul/bug_1053613_lockscreen_pin_bckspc_lastrow_vertical_separator

Bug 1053613 - Lockscreen PIN keypad: backspace key misaligned & wrong, vertical separators missing, last row too high. r=gweng