Tailwind CSS is an utility-first CSS framework for rapidly building custom designs with predefined class. If you are a big fan like me, you will probably appreciate this nice cheat-sheet made by Jay Elaraj.
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Tailwind CSS 3.0
Rapidly build modern websites without ever leaving your HTML. A utility-first CSS framework packed with classes like flex, pt-4, text-center and rotate-90 that can be composed to build any design, directly in your markup.
DaisyUI
Free Components libraryfor utility first CSS frameworks.
Form design: from zero to hero all in one blog post
"Look around the internet for a minute, and you’ll find a million and one usability issues revolving around forms" ... by Adam Silver