Why can't I use "transition" more than once in the example below?[solved]

Question

https://code.sololearn.com/Wq8yflwSZGH6/?ref=app

Answer 1

you can always specify which CSS property you want to apply transition to, if you want your transition to apply to every styling on an element just put 'all' in place of the CSS property just specify the duration only, like

transition: all 1s;
or
transition: 1s;

Answer 2

zabih it is solved now. (And deleted , lol ).

Answer 3

It works. Thank you!

Answer 4

You are welcome

Answer 5

What is transition of not working?