Give applications-games and input-gaming more contrast with Breeze Dark
Test Plan:
Before
After
Reviewers: Breeze, VDG, guoyunhe, ngraham, rooty, filipf
Reviewed By: Breeze, VDG, ngraham, rooty, filipf
Subscribers: rooty, abetts, ngraham, pstefan, ndavis, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D17469