ө SMALL LETTER BARRED O UTF-8 character with hex code 04E9

Using HEX code of SMALL LETTER BARRED O in HTML file

<span> &#x04E9; </span>

Using Decimal code of SMALL LETTER BARRED O in HTML file

<span> &#1257; </span>

Using HEX code of SMALL LETTER BARRED O in CSS file for content

span { 
    content: '\04e9';
}