⊙ CIRCLED DOT OPERATOR UTF-8 character with hex code 2299

Using HEX code of CIRCLED DOT OPERATOR in HTML file

<span> &#x2299; </span>

Using Decimal code of CIRCLED DOT OPERATOR in HTML file

<span> &#8857; </span>

Using HEX code of CIRCLED DOT OPERATOR in CSS file for content

span { 
    content: '\2299';
}