℁ ADDRESSED TO THE SUBJECT UTF-8 character with hex code 2101

Using HEX code of ADDRESSED TO THE SUBJECT in HTML file

<span> &#x2101; </span>

Using Decimal code of ADDRESSED TO THE SUBJECT in HTML file

<span> &#8449; </span>

Using HEX code of ADDRESSED TO THE SUBJECT in CSS file for content

span { 
    content: '\2101';
}