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<html lang="en-US">
<head>
<style>
#point:after{
content:"\0003C";
}
</style>
</head>
<body>
<p>Lesser Than using Hexa Decimal: <</p>
<p>Lesser Than using HTML Code: <</p>
<p>Lesser Than using HTML Entity: <</p>
<p id="point">Lesser Than using CSS Entity: </p> </body>
</html>