🔟 Keykap ten UTF-8 character with hex code 1F51F

Using HEX code of Keykap ten in HTML file

<span> &#x1F51F; </span>

Using Decimal code of Keykap ten in HTML file

<span> &#128287; </span>

Using HEX code of Keykap ten in CSS file for content

span { 
    content: '\1f51f';
}