How to set width of ngb Dropdown Menu inherited from parent ngb Dropdown append to body?

Since I have to use property
container="body"
-> https://github.com/ng-bootstrap/ng-bootstrap/issues/1012
My dropdown is attached to the body(correct me if i'm wrong...).
So it means I can't inherit width from parent (ngbDropdown)-> ngbDropdownMenu.
How I can set the same width for dropdown menu and button??

NgbDropdown with width: inherit but without property container="body"

ngbDropdown with width: inherit but with property container="body"

So I need property container="body" but still want to inherit width from button

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