In no particular order:
YouTube (Derek Banas, Tim Corey, Hamza Mirzer, Traversy, LayoutLand)
Jen Simmons on LayoutLand is an incredible resource for CSS tutorials, especially the new Grid level 1 system, still learning it:
I initially learned React from Hamza Mirza on YouTube. Great channel. This is a link for one of the best react tutorials out there, in the opinion of someone who knew nothing of react (besides its utility as a SPA framework/library) before watching this video:
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