<%= form_for([:admin, @user], html: { class: 'form-horizontal' }) do |f| %>
  <%= devise_error_messages! %>
  <%= render partial: '/devise/registrations/common_registration_fields', locals: { f: f } %>

  <div class="form-group">
    <div class="col-md-offset-4 col-md-10">
      <%= f.label :admin do %>
        <%= f.check_box :admin %> Admin
      <% end %>
    </div>
  </div>

  <div class="form-group">
    <div class="col-md-offset-4 col-md-10">
      <%= f.submit class: "btn btn-primary" %>
    </div>
  </div>
<% end %>

<hr>

<div class="row">
  <div class="col-md-12">
    <%= link_to icon_tag('glyphicon-chevron-left') + ' Back'.html_safe, admin_users_path, class: "btn btn-default" %>
  </div>
</div>