ℨ BLACK-LETTER CAPITAL Z UTF-8 character with hex code 2128

Using HEX code of BLACK-LETTER CAPITAL Z in HTML file

<span> &#x2128; </span>

Using Decimal code of BLACK-LETTER CAPITAL Z in HTML file

<span> &#8488; </span>

Using HEX code of BLACK-LETTER CAPITAL Z in CSS file for content

span { 
    content: '\2128';
}