diff --git a/arch-root/install.sh b/arch-root/install.sh
index 631dfca..e797e9e 100755
--- a/arch-root/install.sh
+++ b/arch-root/install.sh
@@ -30,6 +30,7 @@ PACKAGES=(
 	foot bemenu-wayland i3blocks mako libnotify # terminals, ui
 	wev wl-clipboard wtype slurp grim # interaction
 	ttf-roboto ttf-roboto-mono ttf-font-awesome # fonts
+	kvantum kvantum-qt5 kvantum-theme-materia materia-gtk-theme # themes
 
 )
 
diff --git a/arch-user/config/Kvantum/kvantum.kvconfig b/arch-user/config/Kvantum/kvantum.kvconfig
new file mode 100644
index 0000000..465596b
--- /dev/null
+++ b/arch-user/config/Kvantum/kvantum.kvconfig
@@ -0,0 +1,2 @@
+[General]
+theme=MateriaDark
diff --git a/arch-user/config/profile b/arch-user/config/profile
index f093f8b..8752c7e 100644
--- a/arch-user/config/profile
+++ b/arch-user/config/profile
@@ -4,6 +4,9 @@ export PATH=~/.local/bin:$PATH
 
 export WLR_RENDERER=vulkan
 
+export QT_STYLE_OVERRIDE=kvantum
+export GTK_THEME=Materia-dark
+
 for fpath in ~/.config/*/env.sh; do
 	. "$fpath"
 done
diff --git a/arch-user/config/qutebrowser/config.py b/arch-user/config/qutebrowser/config.py
index 0b1d2a7..b846f1a 100644
--- a/arch-user/config/qutebrowser/config.py
+++ b/arch-user/config/qutebrowser/config.py
@@ -39,7 +39,7 @@ c.bindings.key_mappings.update(dict(zip("ьЬыЫфФпПбБжЖлЛуУяЯа
 ############################################
 
 # styles
-c.colors.webpage.preferred_color_scheme = 'dark'
+#c.colors.webpage.preferred_color_scheme = 'dark'
 c.colors.webpage.darkmode.enabled = True
 c.colors.webpage.bg = '#'+env['QB_THEME_COLOR_BG']
 c.fonts.default_family = 'Roboto'
@@ -51,7 +51,6 @@ c.url.searchengines = {
   '!d':		'https://lite.duckduckgo.com/lite?&q={}',
   '!g':		'https://google.com/search?hl=en&q={}',
   '!y':		'https://ya.ru/search/?text={}',
-  '!c':		'https://chat.openai.com/chat?q={}',
 }
 ###########################################