Which is more important CSS vs HTML vs JS?

Question

Hi everyone, I wanna learn de CSS, HTML and JS for webs developpement.

I'm actually doing CSS, but should I do CSS and an other languagge at the same time to learn something about boths at the same time , or shoul I finish one before moving to the next one?

Pls respond me and follow me and I'll to. 😊😊😊