all-unset.html

<!DOCTYPE html>
<head>
<title>Unset reset</title>
<link rel="stylesheet" type="text/css" href="c/style-insert-tests.css">
<style type="text/css" media="all" id="tests">
html:not(:hover) body, html:not(:hover) body * {all: unset;}
</style>
</head>
<body>

<section>

<h1>A header-1</h1>
<p>
<strong>MOVE YOUR MOUSE CURSOR OFF THE BROWSER WINDOW TO <CODE>UNSET:ALL</CODE> THE <CODE>BODY</CODE> ELEMENT AND EVERYTHING INSIDE IT!</strong>
</p>
<p>
This paragraph contains <em>emphasized text</em>.
</p>
<UL>
<li>List item</li>
<li>List item</li>
<li>List item</li>
</UL>
<OL>
<li>List item</li>
<li>List item</li>
<li>List item</li>
</OL>

</section>

</body>
<html>