Å ANGSTROM SIGN UTF-8 character with hex code 212B

Using HEX code of ANGSTROM SIGN in HTML file

<span> &#x212B; </span>

Using Decimal code of ANGSTROM SIGN in HTML file

<span> &#8491; </span>

Using HEX code of ANGSTROM SIGN in CSS file for content

span { 
    content: '\212b';
}