use a better selector and fix the styling on selection-mode.
4973b55 Adwaita: titlebutton fix
gtk/theme/Adwaita/_common.scss | 10 +-
gtk/theme/Adwaita/gtk-contained-dark.css | 472 +++++++++++++++++++----------
gtk/theme/Adwaita/gtk-contained.css | 475 ++++++++++++++++++++----------
3 files changed, 630 insertions(+), 327 deletions(-)
Upstream: git.gnome.org