<div
  class="fixed left-0 top-0 z-50 flex w-[30px] items-center justify-center bg-gray-200 py-[2.5px] text-[12px] uppercase text-black sm:bg-red-200 md:bg-yellow-200 lg:bg-green-200 xl:bg-blue-200 2xl:bg-pink-200"
>
  <span class="block sm:hidden">all</span>
  <span class="hidden sm:block md:hidden">sm</span>
  <span class="hidden md:block lg:hidden">md</span>
  <span class="hidden lg:block xl:hidden">lg</span>
  <span class="hidden xl:block 2xl:hidden">xl</span>
  <span class="hidden 2xl:block">2xl</span>
</div>
