̋ DOUBLE ACUTE ACCENT UTF-8 character with hex code 030B

Using HEX code of DOUBLE ACUTE ACCENT in HTML file

<span> &#x030B; </span>

Using Decimal code of DOUBLE ACUTE ACCENT in HTML file

<span> &#779; </span>

Using HEX code of DOUBLE ACUTE ACCENT in CSS file for content

span { 
    content: '\030b';
}