basic-rails/app/views/main/about.html.erb

<h1 class="text-4xl">About page</h1>
<div>
  <h1 class="text-2xl text-red-800 ">Main#index</h1>
  <h2 class="text-3xl">aaaaaaaaaaaaaa</h2>
  <h1 class="text-3xl font-bold text-gray-700">aaaaaasaaa</h1>
  <p class=" text-4xl center bg-yellow-700 text-cyan-800">Find me in app/views/main/index.html.erb</p>
  ABOUT 3
  coucou Steven
</div>