🔡 Input small letters UTF-8 character with hex code 1F521

Using HEX code of Input small letters in HTML file

<span> &#x1F521; </span>

Using Decimal code of Input small letters in HTML file

<span> &#128289; </span>

Using HEX code of Input small letters in CSS file for content

span { 
    content: '\1f521';
}