app/views/receipts/new.html.erb
<h1>New Receipt</h1>
<%= simple_form_for(@receipt, html: {class: 'form-horizontal'}) do |form| %>
<%= form.input :first_name %>
<%= form.input :last_name %>
<%= form.input :email %>
<%= form.input :phone %>
<%= form.input :address %>
<%= form.input :city %>
<%= form.input :state, collection: State.all %>
<%= form.input :zip %>
<div class="form-actions">
<%= form.button :submit, html: {class: "btn btn-primary"} %>
</div>
<% end %>