▼ BLACK DOWN-POINTING TRIANGLE UTF-8 character with hex code 25BC

Using HEX code of BLACK DOWN-POINTING TRIANGLE in HTML file

<span> &#x25BC; </span>

Using Decimal code of BLACK DOWN-POINTING TRIANGLE in HTML file

<span> &#9660; </span>

Using HEX code of BLACK DOWN-POINTING TRIANGLE in CSS file for content

span { 
    content: '\25bc';
}