hl.window_rule({ match = { class = "com.libretro.RetroArch" }, fullscreen = true }) hl.window_rule({ match = { class = "com.libretro.RetroArch" }, tag = "-default-opacity" }) hl.window_rule({ match = { class = "com.libretro.RetroArch" }, opacity = "1 1" }) hl.window_rule({ match = { class = "com.libretro.RetroArch" }, idle_inhibit = "fullscreen" })