Tailwind Snap

<main
  class="flex flex-col w-full h-screen overflow-scroll snap-y snap-mandatory"
>
      <index1-section class="snap-center snap-always" />
      <index2-section class="snap-center snap-always" />
      <index3-section class="snap-center snap-always" />
      <index4-section class="snap-center snap-always" />
      <index5-section class="snap-center snap-always" />
      <index6-section class="snap-center snap-always" />
      <index7-section class="snap-center snap-always" />
      <index8-section class="snap-center snap-always" />
      <index9-section class="snap-center snap-always" />
  </main>