≝ EQUAL TO BY DEFINITION UTF-8 character with hex code 225D

Using HEX code of EQUAL TO BY DEFINITION in HTML file

<span> &#x225D; </span>

Using Decimal code of EQUAL TO BY DEFINITION in HTML file

<span> &#8797; </span>

Using HEX code of EQUAL TO BY DEFINITION in CSS file for content

span { 
    content: '\225d';
}