Happy-Holidays-Color-Dark-Aurorae

Dark Round Window Decoration (Aurorae Theme), Follows Color Scheme (Window Background)-----------------------* Plasma Theme Happy Holidays-Color Plasma , which you can download: Here (Follows Color Scheme, Round, Transparent and Blur, Enabled Blurred Widgets and Adaptive Transparency)

Source: https://www.opendesktop.org/p/1948315