Update the style for the core checkbox component.

lib/decentralised_book_index_web/components/core_components.ex

@@ -381,7 +381,7 @@ defmodule DecentralisedBookIndexWeb.CoreComponents do
           name={@name}
           value="true"
           checked={@checked}
-          class="rounded border-zinc-300 text-zinc-900 focus:ring-0 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500"
+          class="rounded text-blue-600 bg-gray-100 border-gray-300 rounded-sm focus:ring-blue-500 dark:focus:ring-blue-600 dark:ring-offset-gray-800 focus:ring-2 dark:bg-gray-700 dark:border-gray-600"
           {@rest}
         />
         {@label}