I’m using Gnome and updated my system today, and then restarted it. Suddenly the entire theme was dark instead of light, and I can’t find a way to switch back to the previous light theme.
I’m not sure the change was caused by the upgrades today, because I did not do a restart after previous updates a few days ago.
How do I get my previous theme (which used to be the default) back? This system theme affect (almost) all applications.