@page { size: A1 portrait; margin: 0; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: #f8f6f2;
}
* { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

#poster-viewport {
  width: 100%;
}

#poster-frame {
  margin: 0 auto;
  overflow: hidden;
}

#poster {
  transform-origin: top left;
}