A solution! For many months I have been trying to find a decent solution to rounded gradient borders that allow a semi-transparent or blurred main background. Finally, I came across this: https://forum.freecodecamp.org/t/how-to-make-a-css-border-gradient-with-transparent-background/571903/2 My pen https://codepen.io/benfrain/pen/KKEemKd is a fork of Lasse’s original from that post. I’ve not seen this approach before, and I can take no...