ʘ LATIN LETTER BILABIAL CLICK UTF-8 character with hex code 0298

Using HEX code of LATIN LETTER BILABIAL CLICK in HTML file

<span> &#x0298; </span>

Using Decimal code of LATIN LETTER BILABIAL CLICK in HTML file

<span> &#664; </span>

Using HEX code of LATIN LETTER BILABIAL CLICK in CSS file for content

span { 
    content: '\0298';
}