Gem adds a method that creates the structure of the elements for each field that is displayed correctly when using Bootstrap.
To install use:
gem install control_group
<%= control_group f, :field_name, :field_type, {<field_options_hash>}%>
<%= form_for "feedback", :html => { :class => "form-horizontal" } do |f| %>
<%= control_group f, :email, :text_field %>
<%= control_group f, :name, :text_field %>
<%= control_group f, :message, :text_area %>
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