delete vm--overlay background opacity

[minipisame]

Problem:

I want to rewrite the overlay background: rgba(0, 0, 0, 0.2); to background rgba(0, 0, 0, 0);
I don't want that opacity , i try to use overlayTransition but didn't work

Version:

Last version

Example & screenshots:

I have checked stackoverflow for solutions and 100% sure that this issue is not not related to my code.