Why my code don't work?

Question

Ah simple problem whit HTML/Javascript
https://code.sololearn.com/WnamliGIt5ke/?ref=app

Answer 1

https://code.sololearn.com/W3m9ZxIxI607/?ref=app

Answer 2

@Kyle you have used CSS code in html.
that body tag - from line 6 to 25 should be on CSS code playground.

Answer 3

I can't put that in a <style></style> tag?

Answer 4

yeah u can, i was wrong. Sorry

Answer 5

Ho thx

Answer 6

Can you post the code?

Answer 7

Im testing =/

Answer 8

Ok is ready...

Answer 9

Ok, but why did there is no alert ...