school-platform/app/views/submissions/_form.html.erb

<%= bootstrap_form_for [@assignment, @submission] do |f| %>
  <%= render 'shared/error_messages', object: f.object %>

  <%= f.text_field :title %>
  <%= f.text_area :description %>

  <%= f.submit yield(:button_text), class: "btn btn-primary" %>
<% end %>