∰ VOLUME INTEGRAL UTF-8 character with hex code 2230

Using HEX code of VOLUME INTEGRAL in HTML file

<span> &#x2230; </span>

Using Decimal code of VOLUME INTEGRAL in HTML file

<span> &#8752; </span>

Using HEX code of VOLUME INTEGRAL in CSS file for content

span { 
    content: '\2230';
}