D25334: Added transparent blue background to tabbars

[Niccolò Venerandi]

niccolove edited the test plan for this revision.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D25334

To: niccolove, #vdg
Cc: #vdg, kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns