⊬ DOES NOT PROVE UTF-8 character with hex code 22AC

Using HEX code of DOES NOT PROVE in HTML file

<span> &#x22AC; </span>

Using Decimal code of DOES NOT PROVE in HTML file

<span> &#8876; </span>

Using HEX code of DOES NOT PROVE in CSS file for content

span { 
    content: '\22ac';
}