<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-page-3/#at-page-rule">
<link rel="match" href="page-margin-003-print-ref.html">
<style>
  @page {
    margin: 10px 20px 30px 40px;
  }
  :root {
    print-color-adjust: exact;
    writing-mode: vertical-lr;
  }
  body {
    margin: 0;
  }
  .fullpager {
    width: 100vw;
    height: 100vh;
  }
</style>
<div class="fullpager" style="background:yellow;">
  first pa