<!DOCTYPE html>
<meta charset="utf-8">
<title>Test reference</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div {
  white-space: pre-wrap;
  font-family: Ahem;
  font-size: 10px;
  line-height: 1;
  color: green;
}
</style>

<p>Test passes if there are two green tall boxes below and no red.

<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
<div>x x<br>x x</div>
