This theme is for the LG G7 and V35 V40 only. Others LG Oreo phone please don’t install it.
From version 2.0, theme support you change notifications background to black with patch from http://bit.ly/2GQXqLi
1- Install file black_notification_bg_1.apk
2- Install file black_notification_bg_2.apk
3- Go to Settings/Theme choose G7 Black and apply theme
4- Restart to take effect (important).
January 2, 2019