Dark variant of Google Sign In button using FirebaseUI for web?

I am using firebaseui-web-react-wrapper and would like to switch Google Sign In button to the dark variant. The container of this button is white and it does not look great to put a white button in a white container.

FirebaseUI defaults to -

I would like to use -

Please note that the dark screenshot is taken from the Google's official page and it does follow Google's official branding guidelines.