Why my background doesn't work?[HTML]

Question

https://code.sololearn.com/W9nEI3GeFqKf/?ref=app

Answer 1

body{

background:-webkit-linear-gradient(top right, rgb(255, 255, 255), rgb(31, 31, 112), rgb(0, 0, 36));
}

This does the trick.

Answer 2

Thanks that's work