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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: :focus-within selector</title>
<link rel="author" title="Ethan Lin" href="mailto:ethlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<style type="text/css">
div {
border: solid 15px green;
outline: none;
}
</style>
</head>
<body>
<p>Test passes if, when the element is focused and then removed, the outer element should change to green.</p>
<div id="parent"></div>
<body>
</html>