app/views/expenses/new.html.erb
<div class='container expenses'>
<%= form_for @expense do |f| %>
<%= f.label :name %>
<%= f.text_field :name %>
<br/>
<%= f.label :amount %>
<%= f.text_field :amount %>
<br/>
<%= f.label :date_due %>
<%= f.text_field :date_due %>
<br/>
<%= f.submit 'Create' %>
<% end %>
</div>