tested it on mobile and padding still not perfect. see attached for mobile shot.

this are the custom css in action

li.product figcaption .shop-actions {
min-height: 33px;
}

li.product figcaption .shop-actions > a {
padding: 7px 14px;
}
.add_to_wishlist:hover {
background: #444444!important;
}
.woocommerce #content input.button.alt, .woocommerce #respond input#submit.alt, .woocommerce a.button.alt, .woocommerce button.button.alt, .woocommerce input.button.alt, .woocommerce-page #content input.button.alt, .woocommerce-page #respond input#submit.alt, .woocommerce-page a.button.alt, .woocommerce-page button.button.alt, .woocommerce-page input.button.alt {
background: transparent;
}
.woocommerce form.cart .yith-wcwl-add-to-wishlist a {
padding: 9.2px 9.2px;