⦜ RIGHT ANGLE VARIANT WITH SQUARE UTF-8 character with hex code 299C

Using HEX code of RIGHT ANGLE VARIANT WITH SQUARE in HTML file

<span> &#x299C; </span>

Using Decimal code of RIGHT ANGLE VARIANT WITH SQUARE in HTML file

<span> &#10652; </span>

Using HEX code of RIGHT ANGLE VARIANT WITH SQUARE in CSS file for content

span { 
    content: '\299c';
}