orbit-basic/app/views/admin/designs/_form.html.erb

<%= form_for @design, :url => admin_design_path(@design), :html => {:class => 'form-horizontal'}, :remote => true do |f| %>
  <%= f.error_messages %>
  <div class="control-group">
		<%= f.label :title, t(:title), :class => "control-label" %>
    <div class="controls">
			<%= f.text_field :title %>
    </div>
  </div>
  <div class="control-group">
		<%= f.label :author, t(:author), :class => "control-label" %>
    <div class="controls">
			<%= f.text_field :author %>
    </div>
  </div>
  <div class="control-group">
		<%= f.label :intro, t(:intro), :class => "control-label" %>
    <div class="controls">
			<%= f.text_field :intro %>
    </div>
  </div>
    <%= f.submit t(:update_), :class=>"btn btn-primary" %>
<% end %>