.single_add_to_cart_button::before {
    font-family: 'Font Awesome 5 Free' !important;
    font-weight:900 !important;
    font-size: inherit !important;
    content: "\f290" !important;
    display: inline !important;
    margin-right: 5px !important;
    background: none !important;
    position: relative !important;
}