diff --git a/emacs/.emacs.d/init.el b/emacs/.emacs.d/init.el
index 0005193..ab52cba 100644
--- a/emacs/.emacs.d/init.el
+++ b/emacs/.emacs.d/init.el
@@ -1,3 +1,5 @@
+(setq make-backup-files nil)
+
 (add-to-list 'default-frame-alist '(font . "Iosevka-14"))
 
 (require 'package)
diff --git a/gtk/.config/gtk-3.0/settings.ini b/gtk/.config/gtk-3.0/settings.ini
index a6d05be..155b555 100644
--- a/gtk/.config/gtk-3.0/settings.ini
+++ b/gtk/.config/gtk-3.0/settings.ini
@@ -1,8 +1,8 @@
 [Settings]
-gtk-theme-name=Adwaita
+gtk-theme-name=Adwaita-dark
 gtk-icon-theme-name=Papirus-Dark
 gtk-font-name=Adwaita Sans 11
-gtk-cursor-theme-name=Adwaita
+gtk-cursor-theme-name=macOS
 gtk-cursor-theme-size=24
 gtk-toolbar-style=GTK_TOOLBAR_BOTH_HORIZ
 gtk-toolbar-icon-size=GTK_ICON_SIZE_LARGE_TOOLBAR
diff --git a/mangowc/.config/mango/config.conf b/mangowc/.config/mango/config.conf
index 939416c..1f6c6d6 100644
--- a/mangowc/.config/mango/config.conf
+++ b/mangowc/.config/mango/config.conf
@@ -8,7 +8,7 @@ cursor_size=24
 exec-once = qs
 
 # monitor config
-monitorrule=make:BNQ,model:BenQ EX2710Q,serial:K6R04023019,x:1920,y:0,width:2560,height:1440,refresh:165,hdr:1
+monitorrule=make:BNQ,model:BenQ EX2710Q,serial:K6R04023019,x:1920,y:0,width:2560,height:1440,refresh:165,hdr:1,hdr_max_lum:417.710,hdr_min_lum:0.0
 monitorrule=serial:9KFDW6C533DB,x:0,y:0