Wt shall i do to understand css perfectly?

Question

Tnx

Answer 1

read the documentation and practice it.
what will do:

body { color: #666; }
div.my_info { color: #ff0; }

start with just easy steps, and go harder, maybe daily

Answer 2

Hi! You can play in CSS games:

Please, try it👇

https://www.howtogeek.com/these-fun-games-will-teach-you-modern-css/

Sorry if some of these sites will not be available

CSS practice

https://mastery.games/build/zelda/

https://gridcritters.com/ 179$ cost

https://flexboxzombies.com/p/flexbox-zombies

https://flukeout.github.io/

https://www.tynker.com/parents/

http://www.flexboxdefense.com/

http://cssgridgarden.com

https://flexboxfroggy.com/

https://frontendmentor.io