Found via Dev.to newsletter: https://dev.to/jh3y/css-cyberpunk-2077-buttons-taking-your-css-to-night-city-43l0
CSS
CSSTriggers.com
CSShttp://CSSTriggers.com
Great For Finding how resource intense a transition is for different CSS style attributes
Table of information about CSS
Skewed Static Background CSS
CSS, Web DevelopmentFound this on CSS Tricks today and this one caught my eye