This repository was archived by the owner on Jun 26, 2020. It is now read-only.

Description
If you hover over an element that lives within an iframe whose position is not the upper-left corner of the parent page, then the blue/green/orange highlight that is drawn over that element to indicate which you are hovering over is not drawn in the right location (iframe offset not accounted for).
Here I am hovering over the "Hello" button:

Here's a link to the page where the screenshot was taken