Hello,
Please try to change previous code to:
button.add_to_cart_button.ajax_add_to_cart.single_add_to_cart_button.button.alt {
background-color: #ae9a64;
border-color: #ae9a64;
}
.single_add_to_cart_button:hover {
background-color: rgb(187, 173, 136) !important;
border-color: rgb(187, 173, 136) !important;
}
.view-color-dark .button, .view-color-dark .show-quickly, .view-color-dark .yith-wcwl-add-button a.add_to_wishlist {
background-color: #ae9a64;
}
.view-color-dark .yith-wcwl-add-button a.add_to_wishlist, .view-color-dark .show-quickly {
border-color: #a79155;
}
.view-color-dark .button:hover, .view-color-dark .show-quickly:hover, .view-color-dark .yith-wcwl-add-button a.add_to_wishlist:hover {background-color: rgb(187, 173, 136) !important;}
Regards