<!doctype html>
<html lang=en>
<meta charset=utf-8>
<title>CSS-contain test reference</title>
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
<style>
div { overflow: hidden; }
rt {
display: ruby-text;
font-size: 1rem;
}
</style>
<p>This test passes if you can see the word PASS below.
<div><ruby><rt>PASS</rt></ruby></div>