Hello, Alex91,
We appreciate your prompt response.
1-2/ Please be informed that we have successfully translated the specified strings using the Loco Translate plugin for both XStore and XStore Core.
3/ You may apply the following custom CSS code by navigating to Theme Options and then selecting Theme Custom CSS:
.popup-added-to-cart .product-section-02 .btn {
text-transform: none !important;
}
Kind Regards,
8theme team