<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02014";
}
</style>
</head>
<body>
<p>EM Dash using Hexa Decimal: —</p>
<p>EM Dash using HTML Code: —</p>
<p>EM Dash using HTML Entity: —</p>
<p id="point">EM Dash using CSS Entity: </p>
</body>
</html>