app/views/sessions/new.html.erb
<h2>Login</h2>
<%= form_tag do_login_path, :class => 'login' do %>
<div class="field">
<%= label_tag :name, 'User Name' %>
<%= text_field_tag :name, params[:name] %>
</div>
<div class="field">
<%= label_tag :password %>
<%= password_field_tag :password %>
</div>
<div class="actions"><%= submit_tag "Login" %></div>
<% end %>