Width offset from webkit scrollbars

[NyuBlara]

Webkit scrollbar gutters are disproportionately large, and cause misalignment issues as a result :

(vs Firefox :
)

The only trick that seems to work is setting the ::-webkit-scrollbar width to a lower value, but this makes it invisible, removing the visual information that the div can scroll.

The scrollbar-gutter property has no effect for unknown reasons.