">
                        <span class="input-group-text">host</span>
                        <input class="form-control" type="text" id="host">
                    </div>
                    <div class="input-group mb-3 item">
                        <span class="input-group-text">port</span>
                        <input class="form-control" type="text" id="port">
                    </div>
                    <div class="input-group mb-3 item">
                        <span class="input-group-text">allo