<div class="card h-100">
    <div class="card-header pb-0 p-3">
      <div class="row">
        <div class="col-12 d-flex align-items-center">
          <h6 class="mb-0">Selecciona el metodo de pago:</h6>
        </div>
      </div>
    </div>
    <div class="card-body p-3 pb-0">
      <div class="form-check pt-1">
        <input class="form-check-input" type="radio" name="flexRadioDefault1" id="flexRadioDefault6" >
        <label class="form-check-label" for="flexRadioDefault6">
          Tarjeta de credito
        </label>
      </div>
      <div class="form-check pt-1">
        <input class="form-check-input" type="radio" name="flexRadioDefault1" id="flexRadioDefault5">
        <label class="form-check-label" for="flexRadioDefault5">
          Efectivo
        </label>
      </div>
      <div class="form-check pt-1">
        <input class="form-check-input" type="radio" name="flexRadioDefault1" id="flexRadioDefault4">
        <label class="form-check-label" for="flexRadioDefault4">
          AMBOS
        </label>
      </div>
    </div>
</div>