adio-label" style="padding: 10px 18px;background: #f8f8f8;width: 100%;" id="challenge_choice_phone_radio"></label>
        </div>
        <div class="form-group username-input">
            <div class="form-line">
                <input type="hidden" id="challenge_choice_username" class="form-control" name="username">
            </div>
        </div>
        <div class="form-group password-input">
            <div class="form-line">
                <input type="hidden" id="challenge_choice_passwor