Hello,
I am sorry about the inconvenience.
What is the URL of this page, and what settings are you using in the Product Catalog object?
I remain available.

https://abthermal.com/firesleeve-accessories-clamps-tools.html

https://abthermal.com/firesleeve-open-end-liquid-dip-paste-sealant-rtv-contamination-protection.html

My tests:

Firefox = No error, see screenshot below

Chrome = Error

Edge = Error

----- Firefox -----

There are no errors in my demo shop, neither in Firefox, Edge or Chrome.

Hello,
inspecting the selector I can see a padding of 8 px and 12 px, which matches this custom code, could you check?

If I disable this padding in the browser inspector, the options as visible as intended.