<%= search_form_with css: { wrapper_all: 'inline field', wrapper_input: 'field', wrapper_submit: 'field', submit: 'ui green button'} do |f| %>

<%= f.text_field :value, placeholder: 'Value' %> <% @serve.extra.each do |extra| %> <%= f.text_field extra, placeholder: extra %> <% end %> <%= f.submit 'Search' %>

<% end %>