gistfile1.txt

<form class="card-form">
    <!-- Card number -->
    <div class="card-form__field">
        <label for="cardNumber">Número de tarjeta</label>
        <input id="cardNumber" type="text" data-checkout="cardNumber">
    </div>

    <!-- Payment method id -->
    <div class="card-form__field">
        <select id="paymentMethodId" name="paymentMethodId" data-checkout="paymentMethodId"></select>
    </div>

    <!-- Security code -->
    <div class="card-form__field">
        <label for="securityCode">Código de seguridad</label>
        <input id="securityCode" type="text" data-checkout="securityCode">
    </div>

    <!-- Card expiration month -->
    <div class="card-form__field">
        <label for="cardExpirationMonth">Mes de vencimiento</label>
        <input id="cardExpirationMonth" type="text" data-checkout="cardExpirationMonth">
    </div>

    <!-- Card expiration year -->
    <div class="card-form__field">
        <label for="cardExpirationYear">Año de vencimiento</label>
        <input id="cardExpirationYear" type="text" data-checkout="cardExpirationYear">
    </div>

    <!-- Card holder name -->
    <div class="card-form__field">
        <label for="cardholderName">Nombre del titular</label>
        <input id="cardholderName" type="text" data-checkout="cardholderName">
    </div>

    <!-- Identification type -->
    <div class="card-form__field">
        <label for="identificationType">Tipo de documento</label>
        <select id="identificationType" data-checkout="identificationType"></select>
    </div>

    <!-- Identification number -->
    <div class="card-form__field">
        <label for="identificationNumber">Número de documento</label>
        <input id="identificationNumber" type="text" data-checkout="identificationNumber">
    </div>

    <!-- Issuer -->
    <div class="card-form__field">
        <label for="issuer">Emisor</label>
        <select id="issuer" name="issuer" data-checkout="issuer"></select>
    </div>

    <!-- Installments -->
    <div class="card-form__field">
        <label for="installments">Cuotas</label>
        <select id="installments" name="installments" data-checkout="installments"></select>
    </div>

    <!-- Submit -->
    <div class="card-form__submit">
        <input type="submit" value="Pagar">
    </div>
</form>