◯ LARGE CIRCLE UTF-8 character with hex code 25EF

Using HEX code of LARGE CIRCLE in HTML file

<span> &#x25EF; </span>

Using Decimal code of LARGE CIRCLE in HTML file

<span> &#9711; </span>

Using HEX code of LARGE CIRCLE in CSS file for content

span { 
    content: '\25ef';
}