About color - you have to use !important cause color is set when you added this element in Elementor and h2 for example has such style: .elementor-8754 .elementor-element.elementor-element-52188283.el
I actually installed Rife to solve problem #1 was solved. But now, for some reason "Customizing Custom CSS" won't save new data. When I put in new info such as:
So I would guess , when it comes to the "problems" , my biggest issue is still #1, the fact that, as you can see on the video, images uploaded don't change when clicking on another one, but