Hello,

1) Please try adding the following Custom CSS in the Global Custom CSS area under Theme Settings >> Custom CSS.

.product-image-summary .single_add_to_cart_button:hover {
    background: black;
}

2) Please try adding the following Custom CSS in the Global Custom CSS area under Theme Settings >> Custom CSS.

button.single_add_to_cart_button.button.alt {
    background-color: green;
    color: white;
}

3) Please Go to Elementor >> Settings >> Integrations and disable the option as in the screenshot.

Screenshot for Clarification: https://gyazo.com/ec41e2407e93c2b0840367c184ee7e86

Regards.
Xtemos Studios