orbit-basic/app/views/devise/menu/_login_items.html.erb

<% if user_signed_in? %>
	<div id="log_out">
		<%= link_to('Logout', destroy_user_session_path) %>        
	</div>
<% else %>
	<div id="log_in">
		<%= link_to('Login', new_user_session_path)  %>  
	</div>
<% end %>