nasıl yaparım ?

    <img src="Content/Images/turkcell.png" width="30" style="margin-top:-3px;" alt="Turkcell Faturalı Hatta Kredi" />
                                Turkcell Kredi Başvurusu
                            </a>
                        </li>
                    </ul>
                    <div class="tab_content">
                        <div class="tabs_item">
<form action="#" class="" method="post">                                <div class="row">
                                    <div class="col-lg-8">
                                        <div class="row">
                                            
                                            <div class="col-12">
                                                <h3>Turkcell Kredi Başvuru Formu</h3>
                                            </div>
                                            <div class="col-lg-4 col-sm-6">
                                                <div class="form-group">
                                                    <input type="text" name="telefon" class="form-control" required placeholder="Telefon Numaranız*">
                                                </div>
                                            </div>
                                            <div class="col-lg-4 col-sm-6">
                                                <div class="form-group">
                                                    <input type="text" name="ad" class="form-control" required placeholder="Adınız*">
                                                </div>
                                            </div>
                                            <div class="col-lg-4">
                                                <div class="form-group">
                                                    <input type="text" name="soyad" class="form-control" required placeholder="Soyadınız*">
                                                </div>
                                            </div>
                                            <div class="col-lg-4 col-sm-6">
                                                <div class="form-group">
                                                    <input type="text" name="tc" class="form-control" required placeholder="TC Kimlik No*">
                                                </div>
                                            </div>
                                            <div class="col-lg-4 col-sm-6">
                                                <div class="form-group">
                                                    <input type="text" name="dogum" class="form-control" required placeholder="Doğum Tarihi*">
                                                </div>
                                            </div>
                                            <div class="col-lg-4">
                                                <div class="form-group">
                                                    <input type="text" name="nufus" class="form-control" required placeholder="Nüfusa Kayıtlı Olduğu İl*">
                                                </div>
                                            </div>

                                            <div class="col-lg-12 col-sm-12">
                                                <div class="form-group">
                                                    <input type="text" name="nakit" class="form-control" required placeholder="Nakit Talebiniz*">
                                                </div>
                                            </div>
                                        </div>
                                        <div class="col-lg-12 col-md-12 text-center">

                                        </div>
                                        <div class="row">
                                            <div class="col-12">
                                                <button type="submit" onclick="gtag_report_conversion()" class="default-btn">
                                                    Başvuruyu Gönder
                                                </button>
                                            </div>
                                        </div>
                                    </div>
                                    <div class="col-lg-4">
                                        <div class="track-img">
                                            <img src="Content/Html/assets/img/turkcell-faturaya-kredi.jpg" alt="Turkcell Faturalı Hatlara Kredi Başvurusu" />
                                        </div>
                                    </div>