How do i remove mouseover from lightbox Gallery

Hallo!

I would like to remove the mouseover effect from my Product Gallery image.
Basically, when you click on the product image, the image gets bigger,
and then if you keep your mouse on the narrow to go to next image or you keep the mouse on the image, it appear all the thumbnails of the next images at the bottom.
This disturb the view of the Product, I would like to get rid of it.

here is the link (please click on the main image)
https://www.jiab.eu/shop/saffiano-long-bag-mbc-black

Any suggestions please?
Thank you!