<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\0007B";
}
</style>
</head>
<body>
<p>Left Brace using Hexa Decimal: {</p>
<p>Left Brace using HTML Code: {</p>
<p>Left Brace using HTML Entity: {</p>
<p id="point">Left Brace using CSS Entity: </p> </body>
</html>