<%= simple_form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => {:class => 'well form-horizontal'}) do |f| %>
Register a new user <%= f.input :first_name %> <%= f.input :last_name %> <%= f.input :email %> <%= f.input :password %> <%= f.input :password_confirmation, :label => 'Confirm' %> <%= f.association :roles, :as => :check_boxes %>
<%= f.submit nil, :class => 'btn btn-primary' %>
<% end %>