<!DOCTYPE html>
<html lang=en>
<meta charset="utf-8">
<title>Selectors Level 4: focus-within shadow DOM Reference File</title>
<link rel="author" title="Keyong Li" href="mailto:kli79@bloomberg.net">
<link rel="author" title="Florian Rivoal" href="mailto:florian@rivoal.net">
<style>
div {
  border: solid 15px green;
}
</style>
<p>Test passes if there is a green rectangle below.</p>
<div></div>
</html>