Fix options item styles on game over and new game
Fix options item styles on game over and new game

Added behavior for default and hover states for options items, namely,
text color for default state and background color for the hover state
will be the winning/answer RGB color. Selected difficulty defaults to
the background color equal to the winning/answer color and the text
color is the default text color, i.e. #fff.

mds3dstn71/bryce,mds3dstn71/bryce