Linear gradients

Question

Why is my linear gradient not going all the way through my container?

https://code.sololearn.com/W5935ELLGUeI/?ref=app

Answer 1

I don't know how to explain, but it seems line 16 in CSS section

background: fixed;

Was the one responsible for the problem.

Tried to read this page trying to understand, but couldn't relate ...

https://developer.mozilla.org/en-US/docs/Web/CSS/background-attachment