.popup-box-shortcodes {
  max-width: 750px;
  max-height: 600px;
  margin: 0 !important;
  top: 50% !important;
  transform: translate(-50%, -50%);
  overflow: auto;
  #TB_ajaxContent {
    width: 100% !important;
    box-sizing: border-box;
    margin-top: 32px;
    height: 500px !important;
  }
}