#discoveryUIImageviewerModal {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 9999;
  display: none;
  background-color: rgba(0, 0, 0, 0.7);
}
#discoveryUIImageviewerModal .iivIframe {
  height: 100%;
  width: 100%;
  border: none;
  position: fixed;
}
#discoveryUIImageviewerModal .iivIframe.hidden {
  visibility: hidden;
}
html.imageviewerModalOpen {
  overflow: hidden;
}
html.imageviewerModalOpen #discoveryUIImageviewerModal {
  display: block;
}