~/.config/gtk-3.0/settings.ini

[Settings]
gtk-theme-name= Adwaita-drakfire
gtk-icon-theme-name= Gnome
gtk-font-name= Sans 10
gtk-cursor-theme-name= Adwaita
gtk-cursor-theme-size= 0
gtk-toolbar-style= GTK_TOOLBAR_BOTH
gtk-toolbar-icon-size= GTK_ICON_SIZE_LARGE_TOOLBAR
gtk-button-images= 0
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
gtk-xft-rgba= rgb
#include "/home/amin/.gtkrc-2.0.mine"
#include "/home/amin/.config/gtk-3.0/settings.ini"
#include "/usr/share/themes/Adwaita/gtk-3.0/settings.ini"