using font awesome in css code example
Example 1: how to import font awesome in html
<!-- Add this in your <head> tag -->
<link
rel="stylesheet"
href="https://use.fontawesome.com/releases/v5.13.0/css/all.css"
integrity="sha384-Bfad6CLCknfcloXFOyFnlgtENryhrpZCe29RTifKEixXQZ38WheV+i/6YWSzkz3V"
crossorigin="anonymous"
/>
Example 2: font awesome
<link
rel="stylesheet"
href="https://use.fontawesome.com/releases/v5.13.0/css/all.css"
integrity="sha384-Bfad6CLCknfcloXFOyFnlgtENryhrpZCe29RTifKEixXQZ38WheV+i/6YWSzkz3V"
crossorigin="anonymous"
/>
Example 3: fontawesome cdn
gem 'font-awesome-sass'