I just installed Ubuntu 20.04 and want to use the GNOME Flashback session, as I'm used to the old GNOME look and don't like the new one. I also installed the Radiance theme because I like it more than default ones installed with Ubuntu. I even did some minor tweaks to theme's CSS files to get rid of a few things that annoyed me (e.g. the very ugly "overshoot" effect when scrolling past top or bottom of a window) and everything is working well.
I don't know how to change it. From what I could find on the Net, people advise to change the color for
.nautilus-desktop.nautilus-canvas-item CSS element. I found this element in
gtk-3.20/apps/nautilus.css files and changed both, however it didn't work - the color didn't change.
Please tell me what should I change in the CSS files to change this color?