1. Be sure to put this CDN link to Font Awesome in the head of your HTML document to ensure the icons will display properly.
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"/>
2. Copy the HTML result into the body of your HTML document where you want the admonition to appear.
3. Copy the CSS result into your HTML page head section within <style> tags or put the CSS into a separate CSS style document and link to it in the head section of the HTML document.