font awesome css link online icons code example
Example 1: link font awesome html
<link
rel="stylesheet"
href="https://use.fontawesome.com/releases/v5.13.0/css/all.css"
integrity="sha384-Bfad6CLCknfcloXFOyFnlgtENryhrpZCe29RTifKEixXQZ38WheV+i/6YWSzkz3V"
crossorigin="anonymous"
/>
Example 2: fontawesome link
<link rel="styleshet" href="path/to/font-awesome/css/font-awesome.min.css">