css/css-lists/counter-invalid.htm

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Lists: </title>
<link rel="author" title="Anthony Ramine" href="mailto:n.oxyde@gmail.com">
<link rel="help" href="https://drafts.csswg.org/css-lists/#counter-functions">
<link rel="match" href="counter-7-ref.html">
<style>
    div::after { content: " is not " counter(inherit) }
</style>
<p>You should see the number 7 below.</p>
<div>7</div>