🌇 Sunset over buildings UTF-8 character with hex code 1F307

Using HEX code of Sunset over buildings in HTML file

<span> &#x1F307; </span>

Using Decimal code of Sunset over buildings in HTML file

<span> &#127751; </span>

Using HEX code of Sunset over buildings in CSS file for content

span { 
    content: '\1f307';
}