1. Upload the "Fonts" folder and the CSS file to your website's CSS directory.
2. Link our CSS file in the `<head>` section of your HTML file: <head> ... <link rel="stylesheet" type="text/css" href="https://www.9game.cn/css/flaticon.css"> ... </head>
3. Add the corresponding class name to the HTML element where you want to display the icon, for example: <i class="flaticon-ranking"></i> or <span class="flaticon-ranking"></span>.