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<head>
<style>
#point:after{
content:"\02751";
}
</style>
</head>
<body>
<p>Lower Right Shadowed White Square using Hexa Decimal: ❑</p>
<p>Lower Right Shadowed White Square using HTML Code: ❑</p>
<p id="point">Lower Right Shadowed White Square using CSS Entity: </p>
</body>
</html>