It has been a while since I've coded and am just trying to do some basic CSS tweaking. I'm trying to make the background of one of my containers to be opaque for better readability. (Supertek Full-Line Catalogs section here: https://www.superteksci.com/home-1 ).
I'd like to apply background: rgba(255,255,255,.5) to #yui_3_17_2_1_1579662890693_179, but I'm not able to do it right, I've been able to do the tweak for each block, but that due to alignment issues, it doesn't keep it clean when scaled. Am I trying to do something that is not feasible? I'm probably missing some very basic CSS knowledge, but unfortunately don't have a lot of time to study up right now.