The gtkrc theme isn't properly applied to the session menu. Parts of the Human GTK theme (system default) seem to be used.
Rename the directory '/usr/share/gdm/themes/Human/gtk-2.0' to disable the dark GTK theme.
The gtkrc theme isn't properly applied to the session menu. Parts of the Human GTK theme (system default) seem to be used.
Rename the directory '/usr/share/ gdm/themes/ Human/gtk- 2.0' to disable the dark GTK theme.