📧 E-mail UTF-8 character with hex code 1F4E7

Using HEX code of E-mail in HTML file

<span> &#x1F4E7; </span>

Using Decimal code of E-mail in HTML file

<span> &#128231; </span>

Using HEX code of E-mail in CSS file for content

span { 
    content: '\1f4e7';
}