Hello,

We have already checked with the Hover too, the Add to Cart button was appearing fine for the Desktop: https://snipboard.io/wRd6oH.jpg

And for the Mobile view, we have set the hover and without hover state the same which looks good without quantity selector: https://snipboard.io/BW637X.jpg

Please check back your Site after completely clearing the browser and server cache.

Best Regards