Created attachment 150668 [details] prefered gtk3 theming Gtk3 theming of tabbed notebookbar 1. it would be nice to have an horizontal line between notebookbar and main view like it was used between statusbar and main view. 2. it look like at the tabbs the line is to thick.
Yes, line width should be the same. Would treat this as a bug.
*** This bug has been marked as a duplicate of bug 141147 ***