Hello and thank you for your help!
I am now facing a different issue. Basically, I would like to change the order of the elements in the form cart. Instead of quantity, then add to cart button, I would like the reverse.
I would also want to replicate the layout that you can find here, such that the price and add to cart button are in a different column compared to the fields above the cart. Is this possible with your theme? Thank you!