How to increase contrast of scrollbar

[José Matos]

On Mon, 2023-09-04 at 23:27 +0100, Paul Stansell wrote:
> Thanks for that advice.  You're right that the Application Style is
> what controls the scroll bar colour, but I like Fusion because the
> horizontal icon bars take up less vertical space which gives more
> space for the LyX document.  Is there a way to tweek just the scroll
> bar colour in a Fusion configuration file somewhere?

I have no idea, sorry. :-(
-- 
José Abílio