#mame_pf_pay-express-wrap,
#mame_pf_pay-overlay {
  position: fixed;
  inset: 0;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-pack: center;
      justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100000;
}

#mame_pf_pay-overlay iframe {
  width: 420px;
  max-width: 96vw;
  height: 640px;
  max-height: 92vh;
  border-radius: 10px;
  background: #fff;
}

body.mame_pf_pay-express-open {
  overflow: hidden;
}