Why doesn't it work

Question

https://code.sololearn.com/W9IfPCxXV44B/?ref=app

Answer 1

@keyframes wesam {
......
.....
}

You written keyframe which is actually keyframes.
I have little knowledge about all html and css and i think that is causing issue,
just make it @keyframes wesam at line 11 and 16.

Answer 2

Fixed:
https://code.sololearn.com/W88XjADRQawG/?ref=app

Answer 3

Well thanks for you . I forgot that