⚠ WARNING SIGN UTF-8 character with hex code 26A0

Using HEX code of WARNING SIGN in HTML file

<span> &#x26A0; </span>

Using Decimal code of WARNING SIGN in HTML file

<span> &#9888; </span>

Using HEX code of WARNING SIGN in CSS file for content

span { 
    content: '\26a0';
}