<!DOCTYPE html>
<html>
<head>
<style>
#moveMe {
position: fixed;
background: green;
width: 100px;
height: 100px;
top: 150px;
left: 150px;
}
</style>
</head>
<body>
<p>This test checks that we correctly invalidate a shifted fixed positioned element overlapping another fixed positioned element.</p>
<p>For this test, there should be only one green square below.</p>
<div id="moveMe"></div>
</body>