I bring to you 7 online tools with which you can automate CSS and save yourself some time and hassles. Make sure you read till the end cuz number 6 and 7 are the most powerful.
1. SmolCSS A collection of readymade CSS grid samples you can grab from codepen. Link: http://SmolCSS.dev
2. PxtoEm Convert CSS units easily without having to do guesses.
3. Getwaves You don’t have to make wavy backgrounds all from scratch. Do it with Getwaves and download it as svg.
4. Animista Play with a collection of readymade CSS animations and copy the codes
5. Getcssscan Get readymade beautiful box shadows.