Here I shared my CSS practices that i had learned from Udemy course by Michael Bowen. https://www.udemy.com/course/how-i-landed-a-web-development-job-earned-5k-freelancing/learn/lecture/2589368?start=0#overview
I recommend to use simple text editors like notepad or textEdit for Early learning period. So enjoy :D.
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.