if i cmplete learn html, wish language will be better to learn it after that?

Answer 1

Definitely css

Answer 2

These codes here might help you
(It's always a good idea to search before you ask)

https://code.sololearn.com/WywHbYWu1173/?ref=app
https://code.sololearn.com/W3qRxwj4UF36/?ref=app
https://code.sololearn.com/WcjfV4YKaWR1/?ref=app
https://code.sololearn.com/W5vTxD5t5TKh/?ref=app

Answer 3

CSS