Ⅸ ROMAN NUMERAL NINE UTF-8 character with hex code 2168

Using HEX code of ROMAN NUMERAL NINE in HTML file

<span> &#x2168; </span>

Using Decimal code of ROMAN NUMERAL NINE in HTML file

<span> &#8552; </span>

Using HEX code of ROMAN NUMERAL NINE in CSS file for content

span { 
    content: '\2168';
}