<%=content_for :nav do%> <%= link_to 'Signup', signup_path %> <%end%> <%= form_for(:session, url: sessions_path) do |f| %>

<%= f.label :email, class: "field" %><%= f.text_field :email, class: "input-txt" %>

<%= f.label :password, class: "field" %><%= f.password_field :password, class: "input-txt" %>

<%= f.submit "submit" %>

<%end%>