body.woocommerce-checkout .alert {
    padding: 17px;
    margin-bottom: 26px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: #f5f5f5 !important;
}

body.woocommerce-checkout span {
    font-size: 14px;
    color: #1c1c1c;
    font-family: "Montserrat", sans-serif;
    font-weight: bold;
}

body.woocommerce form .woocommerce-billing-fields > h3, .woocommerce form .woocommerce-shipping-fields > h3 {
    font-size: 21px;
    margin: 0 0 20px;
    font-family: "Montserrat", sans-serif;
    color: #000000;
    font-weight: bold ;
}