#fooevents_zoom_embed {
  padding-top: 56.25%;
  position: relative;
  overflow: hidden;
  min-width: 960px;
  max-width: 1920px;
  min-height: 540px;
  max-height: 1920px;
}
#fooevents_zoom_embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}