Pagamento em prestações com Klarna

<div id="trc-discount" class="trc-discount">
            <div id="pellegriniBox">
                <h2>Genera il codice otp tramite App Pellegrini Card</h2>
                    <img class="pellegrinilogo" src="https://cdn.shopify.com/extensions/019b219c-e2e2-7a43-9d59-b0ef5b60a305/gruppo-pellegrini-vouchers-238/assets/logo-pellegrini-welfare.svg" width="" height="">
                <p>
                    <input type="text" name="pellegriniCode" id="pellegriniCode" value="" placeholder="Inserisci il tuo codice spesa (7 cifre)" />
                    <input type="hidden" class="currentbutton">
                    <input type="button" name="pellegriniSubmit" id="pellegriniSubmit" value="Spendi" disabled/>
                    <small><a href="https://help.welfarepellegrini.it/content/Esercenti/Presentazione%20FunzioneDispositiva.pdf" target="_blank">Come generare OTP? Guida</a></small>
                </p>
                <span class="pellegriniError"></span>
            </div>
            
                
            <input type = "hidden" class="cart_subtotal" value = "0" />
            <div class="myclass"></div>
            <div id="hide_couponcode" class="hide_couponcode">
                <button type="button" name="checkout_button" id="custom_checkout" class="checkout_copy">Check out</button>
            </div>
        </div>