app/views/devise/registrations/new.html.slim
.row
.span4.offset4.well
= simple_form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => { :class => 'form-full-width'}) do |f|
fieldset
legend = t('devise.views.registrations.new.title')
= f.input :login, :label => false, :placeholder => resource.class.human_attribute_name(:login)
= f.input :email, :label => false, :placeholder => resource.class.human_attribute_name(:email)
= f.input :password, :label => false, :placeholder => resource.class.human_attribute_name(:password)
.control-group
= f.submit t('labels.sign_up'), :class => 'btn btn-success'