<%= search_form_for([:admin, @q], html: { class: 'form-horizontal', autocomplete: 'off' }) do |f| %>

<%= label_tag t(:results_per_page) %> <%= text_field_tag :results_per_page, params[:results_per_page], class: 'form-control', placeholder: t(:results_per_page) %>

<% end %>