̓ COMMA ABOVE UTF-8 character with hex code 0313

Using HEX code of COMMA ABOVE in HTML file

<span> &#x0313; </span>

Using Decimal code of COMMA ABOVE in HTML file

<span> &#787; </span>

Using HEX code of COMMA ABOVE in CSS file for content

span { 
    content: '\0313';
}