somename85

Hi, this pr will help to make indicators more customizable. In my case i added opacity for inactive indicators. In think it be helpful for others.

Animation from documentation doesn't work with `shouldFocusAfterRender={false}`.

1

### Summary: Animation from documentation doesn't work on opening when `shouldFocusAfterRender={false}`. It worked when I added timeout to `ModalPortal.open`.(I do not pretend that timeout is a good solution, it is...