<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-sizing-3/#valdef-width-fit-content-length-percentage">
<link rel="match" href="auto-scrollbar-inside-stf-abspos-ref.html">
<style>
  /* Set non-auto overflow on the viewport, so that the UA is more likely to get
     the size right the first time. Otherwise, a re-layout might hide the bug
     that we're trying to test. */
  body { overflow:hidden; }
</style>
<p>