D8361: Add option to change windows shadow intensity

[rodrigo pelorosso]

rpelorosso edited the summary of this revision.

REPOSITORY
  R113 Oxygen Theme

REVISION DETAIL
  https://phabricator.kde.org/D8361

To: rpelorosso
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas, apol, mart