
	float: left;
	display: block;
}
p~div span {
	width: 5em;
	height: 8em;
	float: left;
}
p~div~div span {
	width: 4em;
}
p~div~div span.ref {
	width: 8em;
}
</style>

<div>
	<span>x</span>
	<span id="test"></span>
	<span>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. On hover, <em>instantaneously</em>, the
box above should look like the second of the boxes below. Any delay
constitutes a fail.</p>

<div>
	<span>x</span