<div>
  <div class="flex">
    <h1 class="font-bold text-2xl ">Main#index</h1>
    <p class=" text-4xl center bg-red-300 text-blue-800">Find me in app/views/main/index.html.erb</p>
  </div>
  this is index
  <div class="text-pink-700 font-bold text-2xl">
    pipip
  </div>
</div>