<!DOCTYPE html>
<script>
if (window.testRunner)
testRunner.setPrinting();
if (window.internals)
internals.settings.setShouldPrintBackgrounds(true);
</script>
<p>The word "PASS" should be seen at the bottom of the page, and no red should be seen.</p>
<div style="position:fixed; left:0; width:100%; bottom:0; background:red;">
<div style="display:flex; height:2em;">
<div style="width:100%;">
<div style="background:white;">
<span style="vertical-align:top;">PASS</span>
<span style="line-height:3em;"> </span>
</div>
</div>
</div>
</div>