[Simple Form] Simple Form is not configured in the application and will use the default values. Use rails generate simple_form:install to generate the Simple Form configuration.
create config/initializers/simple_form.rb
create config/initializers/simple_form_bootstrap.rb
exist config/locales
create config/locales/simple_form.en.yml
create lib/templates/erb/scaffold/_form.html.erb
Be sure to have a copy of the Bootstrap stylesheet available on your application, you can get it on http://getbootstrap.com/.
Inside your views, use the 'simple_form_for' with one of the Bootstrap form classes, '.form-horizontal' or '.form-inline', as the following:
= simple_form_for(@user, html: { class: 'form-horizontal' }) do |form|
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