Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/share/themes/Adwaita-dark/gtk-2.0/hacks-dark.rc

 # vim:set ft=gtkrc ts=2 sw=2 sts=2 ai et:
#
# GTK+ 2 hardcodes a light shadow under certain inactive things. We can use this
# horrible workaround to make it at least distinguishable.

style "dark_insensitive" {

  fg[INSENSITIVE]   = "#000000"
  text[INSENSITIVE] = "#000000"

}

widget_class "*<GtkButton>*"                          style "dark_insensitive"
widget_class "*<GtkComboBoxText>.<GtkCellView>"       style "dark_insensitive"
widget_class "*<GtkMenuItem>*"                        style "dark_insensitive"
widget_class "*<GtkMenuBar>.<GtkMenuItem>.<GtkLabel>" style "dark_insensitive"