Level up the CSS

I’m a bit new to CSS, and have been playing with it but now I wonder if there are any tools/websites/libraries that make working with css easier.

I’ve tried SCSS, which so far is amazing. Also tried many websites for generating color gradients, font stacks with size and everything, and some help to create paths using clip path.

And in a bigger scale, I’ve read next css and postcss could help with some tasks (didn’t have time to read what they are for). But I’m not too sure if I’m going the right way, and if there are any important tools I’d be missing.


Are there any neat tools you’d recommend to level up the css, and make life easier?

No Bootstrap please, most of it I don’t like.