<!DOCTYPE html>
<html>
<body>
    <div style="transform:translateX(0);">
        <div style="position:relative; left:500px; top:500px;">
            <div style="position:fixed; left:50px; top:50px; width:50px; height:50px; border: 1px solid black">
            </div>
        </div>
    </div>
</body>
</html>