chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/interactive/flexbox_interactive_order-transitions-2.html

<!DOCTYPE html>
<title>flexbox | transitioned order</title>
<link rel="author" href="http://opera.com" title="Opera Software">
<link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-property">
<meta name="flags" content="interact">
<style>
div {
	display: flex;
}
span {
	background: yellow;
	width: 1em;
	height: 2em;
}
.test {
	background: #3366cc;
	order: 0;
}
div:hover .test {
	transition: order 10s;
	order: -1;
}
p~div {
	margin: 1em;
	float: left;
	display: block;
}
p~div span {
	float: left;
}
</style>

<div>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span class="test">x</span>
	<span>x</span>
</div>

<p>Verify that the box above looks exactly like the first of the boxes
below. Then hover the box above and leave the mouse there for 1+
seconds. After the specified time, the box above should look exactly
like the second of the boxes below.</p>

<div>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span class="test">x</span>
	<span>x</span>
</div>

<div>
	<span class="test">x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
	<span>x</span>
</div>