<%= form_with(model: [ @article, @article.comments.build ], local: true) do |form| %>

<%= form.label :commenter %> <%= form.text_field :commenter %>

<%= form.label :body %> <%= form.text_area :body, :class => 'u-full-width' %>

<%= form.submit 'Submit Comment', :class => 'button-primary' %>

<% end %>