easy-going-rails/app/views/layouts/_navbar.html.erb

<nav class='text-2xl p-4'>
  <%= fa_icon :eye %>
  <%= fa_icon :eye, size: 2, class: 'text-red-500' %>
  <%= Rails.configuration.application_title %>
  <span class='title'>this is a text</span>
  <span>this is toto</span>
  <h1 x-data="{ message: 'I ❤️ Alpine' }" x-text="message"></h1>

  <span class='group'>
    <%= fa_icon :chevron_down, class: 'transition ease-in-out duration-150 group-hover:text-black group-hover:rotate-180 ' %>
    HOVER ME
  </span>
</nav>