Maybe/app/views/mfa/backup_codes.html.erb

<%
  header_title t(".title")
  header_description t(".description")
%>

<% content_for :sidebar do %>
  <%= render "settings/nav" %>
<% end %>

<div class="space-y-4">
  <h1 class="text-gray-900 text-xl font-medium mb-4"><%= t(".page_title") %></h1>
  <%= settings_section title: t(".backup_codes_title"), subtitle: t(".backup_codes_description") do %>
    <div class="space-y-6">
      <div class="grid grid-cols-2 gap-4">
        <% @backup_codes.each do |code| %>
          <div class="p-3 bg-gray-100 rounded-lg font-mono text-lg">
            <%= code %>
          </div>
        <% end %>
      </div>

      <div class="mt-6">
        <%= link_to t(".continue"), settings_security_path, class: "w-full btn btn--primary" %>
      </div>
    </div>
  <% end %>

  <%= settings_nav_footer %>
</div>