Add to Cart Button on Popup Not Showing Properly

Please see how when you hover over the product the ADD to CART button doesn’t show properly. See here:

Is it possible to have the button below the product so customer can see the Add to Cart button without hovering over the product? Like the image you have in your documentation here:

https://postimg.cc/tsyS9YsK

We only sell 2 products on our site. The main product and then the upsell.
You can go to below page and add to cart and see how the popup looks.

https://cupcheckgame.com/product/cupcheck-the-game/