app/views/admin/neighborhoods/_form.html.erb
<%= form_for [:admin, @neighborhood] do |f| %>
<%= error_messages_for(f.object) %>
<div class="form-row">
<div class="form-group col-md-12">
<%= f.label :name %>
<%= f.text_field :name, required: true, class: "form-control" %>
</div>
</div>
<div class="form-row">
<div class="form-group col-md-12">
<%= f.submit class: 'form-control btn-primary' %>
</div>
</div>
<% end %>