app/views/monuments/_form.haml
= form_for [collection, monument], html: { class: 'monument_form' } do |f|
= render 'shared/form_errors', form: f
.form-group
= f.label :name
= f.text_field :name, class: "form-control"
.form-group
= f.label :description
= f.text_area :description, class: "form-control"
.form-group
= f.label :category_list
= f.text_field :category_list, class: "form-control"
= f.submit 'Save', class: "btn btn-primary"