1. Copy the "Fonts" folder and the CSS file to your website's resource directory.
2. Link the CSS file in the head section of your website. <head> ... <link rel="stylesheet" type="text/css" href="your_website_domain/css_root/flaticon.css"> ... </head>
3. Add the corresponding icon class to the inline element where you want to display the icon, for example: <i class="flaticon-referee-whistle"></i> or <span class="flaticon-referee-whistle"></span>