℩ TURNED GREEK SMALL LETTER IOTA UTF-8 character with hex code 2129

Using HEX code of TURNED GREEK SMALL LETTER IOTA in HTML file

<span> &#x2129; </span>

Using Decimal code of TURNED GREEK SMALL LETTER IOTA in HTML file

<span> &#8489; </span>

Using HEX code of TURNED GREEK SMALL LETTER IOTA in CSS file for content

span { 
    content: '\2129';
}