п SMALL LETTER PE UTF-8 character with hex code 043F

Using HEX code of SMALL LETTER PE in HTML file

<span> &#x043F; </span>

Using Decimal code of SMALL LETTER PE in HTML file

<span> &#1087; </span>

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

span { 
    content: '\043f';
}