#popup {
  display: none;
}

#popupFrame {
  margin: 100px auto 0 auto;
  width:70vw;
  height:39.375vw;
  display:block;
}

@media only screen and (max-width: 574px) {
  #popupFrame {
    width:90vw;
    height:50.625vw;
  }
}