´ ACUTE ACCENT UTF-8 character with hex code 00B4

Using HEX code of ACUTE ACCENT in HTML file

<span> &#x00B4; </span>

Using Decimal code of ACUTE ACCENT in HTML file

<span> &#180; </span>

Using HEX code of ACUTE ACCENT in CSS file for content

span { 
    content: '\00b4';
}