<form action="{{ action }}" method="post">
  <input type="hidden" name="safepay_orderid" value="{{ orderid }}" />
  <input type="hidden" name="safepay_orderamount" value="{{ total }}" />
  <div class="buttons">
    <div class="right">
      <input type="submit" value="{{ button_confirm }}" class="btn btn-primary" />
    </div>
  </div>
</form>