³ SUPERSCRIPT THREE UTF-8 character with hex code 00B3

Using HEX code of SUPERSCRIPT THREE in HTML file

<span> &#x00B3; </span>

Using Decimal code of SUPERSCRIPT THREE in HTML file

<span> &#179; </span>

Using HEX code of SUPERSCRIPT THREE in CSS file for content

span { 
    content: '\00b3';
}