<!DOCTYPE html>
<html>
<head>
    <title>Animating transform on large tiled layer.</title>
    <style type="text/css">
        #box {
            display: block;
            width: 1000px;
            height: 2000px;
            background-color: green;
        }

        #sandbox {
            height: 1000px;
            width: 1000px;
            background-color: red;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <div id=description> 
        The test passes if the box below turns green.
    </div>
    <div id=sandbox> 
        <div id="box"><font style="opacity:0">ABC</font></div>
    </div>
</body>
</html>