∔ DOT PLUS UTF-8 character with hex code 2214

Using HEX code of DOT PLUS in HTML file

<span> &#x2214; </span>

Using Decimal code of DOT PLUS in HTML file

<span> &#8724; </span>

Using HEX code of DOT PLUS in CSS file for content

span { 
    content: '\2214';
}