<!DOCTYPE html>
<html>
<head>
<script>
if (window.internals)
internals.settings.setImagesEnabled(true);
</script>
<style>
#target {
background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABkAAAAZCAIAAABLixI0AAAAJklEQVR4nGJg+M9ANTRq1qhZo2aNmjVq1qhZo2ZhIAAAAAD//wMA1XBuro0zsokAAAAASUVORK5CYII=) center no-repeat;
width: 32px;
height: 32px;
position: absolute;
left: 0px;
top: 0px;
}
</style>
</head>
<body>
<div id="target"></div>
</body>
</html>