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

<nav>
  <ul>
    <li>
      A<i class="fa-solid fa-house"></i>
    </li>
    <li>
      B<i class="fa-solid fa-magnifying-glass"></i>
    </li>
    <li>C<i class="fa-regular fa-user"></i></li>
    <li>D<i class="fa-solid fa-user"></i></li>
  </ul>
</nav>