Scroll bars obstruct a small portion of the image when zoomed in

Example 1

The scroll bar hides the Steam icon in the top-right corner of this screenshot

Zoomed in: Zoomed out:

Example 2

The padding around the buttons is hidden by the scroll bars

Zoomed in: Zoomed out:

Is there anything Ristretto can do to fix this? Or is it caused by another component of the desktop?

Ristretto 0.13.3