https://www.youtube.com/playlist?list=PLIHume2cwmHdvlKx7q1HTAar-Hm-4wwgu

https://www.youtube.com/watch?v=jiCSs0Weiqk&list=PLfAfrKyDRWrG7tK01yW92A2j7Ou0qpOFm

https://www.w3schools.com/

https://fatihhayrioglu.com/css-dersleri/

Şu kaynakları inceleyebilirsin.