app/views/active_admin/_site_footer.html.erb
<div class="text-sm text-center mt-16 mx-8 pt-9 pb-12 text-gray-500 border-t dark:border-gray-800">
<%= I18n.t(
"active_admin.powered_by",
active_admin: link_to("Active Admin", "https://activeadmin.info", class: "text-gray-500 dark:text-gray-500 hover:text-gray-900 dark:hover:text-gray-400 no-underline"),
version: ActiveAdmin::VERSION
).html_safe %>
</div>