Radiance theme customization in Ubuntu: edit Window decorator and all! - Ask Ubuntu
How to use my existing custom GTK theme (Arc) with gtk-window-decorator when using Compiz? - Unix & Linux Stack Exchange
compiz/gtk-window-decorator.c at master · compiz-reloaded/compiz · GitHub
Compiz with weird gtk decorator? [solved] - Support & Help Requests - Ubuntu MATE Community
GitHub - ChemBioScripting/GRV-VimixGTK2Emerald-Theme-Light: Another theme styled for Linux Emerald Window Decorator and Themes Manager, based on Vimix GTK Theme with lovely light colors always inspired by Google Material Design 💞 💕 💖