1. Copy the 'Fonts' folder and CSS file into your website's CSS directory.
2. Add the CSS link inside your HTML <head>: <head> ... <link rel="stylesheet" type="text/css" href="your_website_domain/css_root/flaticon.css"> ... </head>
3. Use icon classes on inline elements: <i class="flaticon-sports"></i> or <span class="flaticon-sports"></span>.