<style>
  @reference 'tailwindcss';

  .intercal-css {
    @apply bg-red-500;
  }
</style>

<main class="main">
  <h1 class="text-3xl font-bold underline">Hello world!</h1>
  <p class="intercal-css">Intercal CSS</p>
</main>
<router-outlet />

<style> in direct componet, means css modules