🦘 Kangaroo UTF-8 character with hex code 1F998

Using HEX code of Kangaroo in HTML file

<span> &#x1F998; </span>

Using Decimal code of Kangaroo in HTML file

<span> &#129432; </span>

Using HEX code of Kangaroo in CSS file for content

span { 
    content: '\1f998';
}