.xb-wishlist-button__add-style, .xb-wishlist-button__loading-style, .xb-wishlist-button__remove-style {
    border: 1px solid var(--xb-wishlist-border-color) !important;
}
.xb-wishlist-button__add-style:hover {
    border: 2px solid var(--xb-wishlist-border-color) !important;
}