How do i add color to my html/css code?

Question

https://code.sololearn.com/W2IQM4FP02ds/?ref=app

Answer 1

Sumayyah Fahm change colour to color
(without alphabet 'u')

Answer 2

Thank

Answer 3

Sumayyah Fahm please have a look https://code.sololearn.com/WOAU0OntmNUt/?ref=app