ҁ SMALL LETTER KOPPA UTF-8 character with hex code 0481

Using HEX code of SMALL LETTER KOPPA in HTML file

<span> &#x0481; </span>

Using Decimal code of SMALL LETTER KOPPA in HTML file

<span> &#1153; </span>

Using HEX code of SMALL LETTER KOPPA in CSS file for content

span { 
    content: '\0481';
}