⋑ DOUBLE SUPERSET UTF-8 character with hex code 22D1

Using HEX code of DOUBLE SUPERSET in HTML file

<span> &#x22D1; </span>

Using Decimal code of DOUBLE SUPERSET in HTML file

<span> &#8913; </span>

Using HEX code of DOUBLE SUPERSET in CSS file for content

span { 
    content: '\22d1';
}