🧯 Fire extinguiser UTF-8 character with hex code 1F9EF

Using HEX code of Fire extinguiser in HTML file

<span> &#x1F9EF; </span>

Using Decimal code of Fire extinguiser in HTML file

<span> &#129519; </span>

Using HEX code of Fire extinguiser in CSS file for content

span { 
    content: '\1f9ef';
}