I very much like to use the Zukitwo theme as an alternative over the standard Ambiance theme, it is to my taste more easy on the eyes.
However, the theme takes away the scrollbar arrows or "steppers" (which are normally part of the scrollbars in e.g. thunderbird and firefox in the Ambiance theme).
I found this information: https://live.gnome.org/GnomeArt/Tutorials/GtkThemes/GtkScrollbar and was looking around in the gtk stylesheets of the theme:
but I have no experience at all in editing themes to get the arrows back in place again. I was trying to put in there the "GtkScrollbar-has-forward-stepper" and "GtkScrollbar-has-backward-stepper" commands set to "1", but with no effect after reboot.
Could someone perhaps point out to me what tweaks to make to reinstate the scrollbar arrows? I would be happy to learn more about this!
All help is much appreciated!