<%= form_tag session_path do -%> <% if flash[:error] %>
<%= flash[:error] %>
<% end %>
Login
<%= text_field_tag 'login', @login, :autocomplete => "username" %>
Password
<%= password_field_tag 'password', nil, :autocomplete => "current-password" %>
<%= submit_tag 'log in' %>
<% end -%>