Am I stupid?

Question

Hey, I want to build a Chat UI, but something just doesn't work... Maybe I'm just stupid, but the height of the divs does not change... In the Css Code I use .classname to access the classes. What is my mistake?
Thanks for answering and explaning : )
https://code.sololearn.com/W5qLY2Ta80ti/?ref=app

Answer 1

Change the body height to 100vh

Answer 2

That's the height of your viewport

Answer 3

we all makes errors sometimes and that's okay . this just asserts that we're human and not machines .

i know this isn't related to the question, but don't ever suggest to yourself that you're stupid .

we are what we say we are .

Answer 4

This doesn't change anything? But thanks for answering...

Answer 5

Sorry, I misspelled sth. What exactly does vh?

Answer 6

Ohh, ok thanks😁