<button
  type="button"
  class="inline-block py-[10px] px-[30px] bg-primary-500 text-white transition-all hover:bg-primary-400 rounded-md border border-primary-500 hover:border-primary-400 custom-popover"
  v-custom-popover="'Hey, Hello World!'"
>
  Toggle Popover
</button>

  <button 
  type="button"
  class="inline-block py-[10px] px-[30px] bg-primary-500 text-white transition-all hover:bg-primary-400 rounded-md border border-primary-500 hover:border-primary-400 custom-popover bottom-popover"
  v-custom-popover="'Hey, Hello World!'"
>
  Toggle Popover
</button>