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<!DOCTYPE HTML>
<html>
<body>
<canvas style="position: absolute; top:20px; opacity:0.5; border:1px solid black; width:200px; height:200px;"></canvas>
</body>
</html>
<!DOCTYPE HTML>
<html>
<body>
<canvas style="position: absolute; top:20px; opacity:0.5; border:1px solid black; width:200px; height:200px;"></canvas>
</body>
</html>