Per Style-Sheet:
<head>
...
<style
type="text/css">
div.c1
{position: absolute; left: 0px; top: 0px; width: ...; height: ...; z-index: 2;
visibility: visible}
</style>
</head>
<body>
<div
class="c1">
<img ..... /> /*oder andere Elemente (dies ist kein HTML-Komentar)*/
</div>
</body>