frontend/src/lib/components/Button.svelte

<button class="button" on:click> <slot /> </button>

<style lang="postcss">
  .button {
    @apply rounded bg-gray-700 p-2 font-normal text-white hover:bg-gray-800 disabled:cursor-not-allowed disabled:bg-gray-300 dark:disabled:bg-gray-700 dark:disabled:text-black;
  }
</style>