fontawesome git started code example
Example 1: font-awsome cdn
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css">
Example 2: fontawesome cdn
gem 'font-awesome-sass'
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css">
gem 'font-awesome-sass'