<!DOCTYPE html>

<html lang=en class="reftest-wait">

<meta charset="utf-8">

<title>Selectors Level 4: focus-within</title>

<link rel="author" title="Keyong Li" href="mailto:kli79@bloomberg.net">

<link rel="author" title="Florian Rivoal" href="mailto:florian@rivoal.net">

<link rel="help" href="https://drafts.csswg.org/selectors-4/#focus-within-pseudo">

<link rel="match" href="focus-within-001-ref.html">

<meta name="assert" content="Test that :focus-within works on links.">

<style>

/* Suppress things that cannot be reproduced in the reference file */

:focus {

outline: none;

}

/* Use blue to indicate that the user needs to pay attention.

This element needs to be focused for the test to make sense. */

#focusme:not(:focus) {

border: solid 15px blue;

}

/* Make the link look like the div in the reference file */

#focusme {

display: block;

text-decoration: none;

color: currentColor;

}

:focus {

border: solid 5px red;

}

div:focus-within, #focusme:focus-within {

border: solid 5px green;

}

</style>

<p>Test passes if, when the element below is focused,

it is surrounded by a thick green border.

There must be no red or blue once it is focused.</p>

<div>

<div>

<a id="focusme" href="">Focus this element</a>

</div>

</div>

<script>

var focusme = document.getElementById('focusme');

focusme.focus();

document.documentElement.classList.remove('reftest-wait');

</script>

</html>