Visible option in mobile devices, in 2 lines
<select role="listbox" name="payment-type" id="payment-type" class="form-control no-label show-select" aria-invalid="false">
<option role="option" value="BONOPAYMENT" data-text="false" data-filters="0">The invoice will be sent to your agency - Payment with voucher</option>
<option role="option" value="BONOPAYMENT" data-text="true" data-filters="0">The invoice will be sent to your agency. Valued Voucher</option>
<option role="option" value="NOPAYMENT" data-text="true">The invoice will be settled by the guest directly at the hotel. Direct payment</option>
<optgroup class="visible-xs" label=""></optgroup>
</select>