Interaction bug on Safari only

Hello! :slightly_smiling_face:

I have created a 4 quadrant grid that expands on rollover. It seems to be working perfectly on Chrome, Microsoft Edge, and Firefox browsers, but on Safari there is a glitch where lines are appearing.

This is how it should look:

This is how it looks on Safari:

Any clue why this may be happening…

Published link:
https://quadrature.webflow.io/


Here is my public share link: LINK
(how to access public share link)