"id_radio_1_1" name="radio" required type="radio"
                        value="dvd"><label class="form-check-label" for="id_radio_1_1">DVD</label></div>
                <div class="form-check"><input class="form-check-input" id="id_radio_2" name="radio" required type="radio"
                        value="unknown"><label class="form-check-label" for="id_radio_2">Unknown</label></div>
            </div>
        </fieldset>
    </div>
</form>