=link_to public_product_category_path(:id => product_category.id, :slug => product_category.lang(I18n.locale).slug) do
  .col-md-4
    .category-container{:style => "background-image:url('#{(product_category.image_file.file.url if product_category.image_file)}');"}
      
      .category-title
        = product_category.lang(I18n.locale).name