app/views/search_results/sections/_languages.html.erb
<div class="form-group row">
<%= label_tag 'ds', t('txt.views.search_results.language'), class: 'col-auto' %>
<div class="checkbox-controls col">
<% @available_languages.sort.each do |lang_tag, label| %>
<div class="form-check form-check-inline">
<%= check_box_tag "l[]", lang_tag, search_language_selected?(lang_tag), class: 'form-check-input', id: "languages_#{lang_tag}" %>
<%= label_tag "languages_#{lang_tag}", lang_tag, class: 'form-check-label' %>
</div>
<% end %>
</div>
</div>