:host {
  display: block;
  height: 100%;
  width: 100%;
  --pdf-viewer-top-offset: 0px;
  --pdf-viewer-bottom-offset: 0px;
}

iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: none;
  visibility: hidden;
}
iframe.loaded {
  visibility: visible;
}