diff --git a/autostart/autostart.target.j2 b/autostart/autostart.target.j2
index 6f5f77c..34bf350 100644
--- a/autostart/autostart.target.j2
+++ b/autostart/autostart.target.j2
@@ -6,8 +6,15 @@ Wants=blueman.service
 Wants=dpms.service
 Wants=dunst.service
 Wants=element.service
-{% for profile in (user.firefox_profiles|default({})).keys() %}
+{% for profile, config in (user.firefox_profiles|default({})).items() %}
+{% if config.bigger_font|default(false) is sameas false %}
 Wants=firefox@{{ profile }}.service
+{% endif %}
+{% endfor %}
+{% for profile, config in (user.firefox_profiles|default({})).items() %}
+{% if config.bigger_font|default(false) is sameas true %}
+Wants=firefox-gtk-override-bigger-font@{{ profile }}.service
+{% endif %}
 {% endfor %}
 Wants=gpg-agent.service
 Wants=gnome-keyring.service
diff --git a/autostart/services/firefox-gtk-override-bigger-font@.service b/autostart/services/firefox-gtk-override-bigger-font@.service
new file mode 100644
index 0000000..466ae4f
--- /dev/null
+++ b/autostart/services/firefox-gtk-override-bigger-font@.service
@@ -0,0 +1,9 @@
+[Unit]
+BindsTo=autostart.target
+After=windowmanager.target
+
+[Service]
+ExecStart=/usr/bin/env firefox --setDefaultBrowser -P %i
+PassEnvironment=DISPLAY
+Environment=XDG_CONFIG_HOME=%h/.config/gtk-3.0-overrides/bigger-font/
+Restart=always
diff --git a/dotfiles.yml b/dotfiles.yml
index a53e912..6576a94 100644
--- a/dotfiles.yml
+++ b/dotfiles.yml
@@ -5,6 +5,9 @@ empty_directories:
   - name: .config/nvim
   - name: .config/rofi
   - name: .config/gtk-3.0
+  - name: .config/gtk-3.0-overrides
+  - name: .config/gtk-3.0-overrides/bigger-font/
+  - name: .config/gtk-3.0-overrides/bigger-font/gtk-3.0
   - name: .config/qt5ct
 dotfiles:
   - from: git/gitconfig
@@ -62,6 +65,9 @@ dotfiles:
   - from: gtk/gtk-3.0.ini
     to: .config/gtk-3.0/settings.ini
     template: true
+  - from: gtk/gtk-3.0-bigger-font.ini
+    to: .config/gtk-3.0-overrides/bigger-font/gtk-3.0/settings.ini
+    template: true
   - from: gtk/gtkrc-2.0
     to: .gtkrc-2.0
     template: true
diff --git a/gtk/gtk-3.0-bigger-font.ini.j2 b/gtk/gtk-3.0-bigger-font.ini.j2
new file mode 100644
index 0000000..c59cc8b
--- /dev/null
+++ b/gtk/gtk-3.0-bigger-font.ini.j2
@@ -0,0 +1,15 @@
+[Settings]
+gtk-theme-name=Breeze
+gtk-icon-theme-name=breeze-dark
+gtk-font-name=DejaVu Sans {{ ((machine.font_size|int - 2)|float * 2.0) | round(0, 'floor') | int }}
+gtk-cursor-theme-name=breeze_cursors
+gtk-cursor-theme-size=0
+gtk-toolbar-style=GTK_TOOLBAR_BOTH
+gtk-toolbar-icon-size=GTK_ICON_SIZE_LARGE_TOOLBAR
+gtk-button-images=1
+gtk-menu-images=1
+gtk-enable-event-sounds=1
+gtk-enable-input-feedback-sounds=1
+gtk-xft-antialias=1
+gtk-xft-hinting=1
+gtk-xft-hintstyle=hintfull