# Configuration for the Picom Compositor {config, ...}: { services = { picom = { enable = true; backend = "glx"; fade = true; inactiveOpacity = 0.8; menuOpacity = 0.8; opacityRules = ["100:class_g = 'XScreenSaver'"]; settings = {use-ewmh-active-win = true;}; vSync = true; }; }; }