<%= link_to user_omniauth_authorize_path(:google_oauth2),
class: 'btn btn-block btn-social btn-google-plus',
'data-no-turbolink' => true do %>
Sign in with Google
<% end %>
Or use the form below
<%= simple_form_for(resource,
as: resource_name,
url: session_path(resource_name)
) do |f| %>
<%= f.input :email, required: true %>
<%= f.input :password, required: true %>
<% if devise_mapping.rememberable? -%>
<%= f.input :remember_me, as: :boolean %>
<% end -%>
<%= f.submit "Sign in", class: 'btn btn-primary' %>
or <%= link_to "Sign up", new_registration_path(resource_name) %>
/ <%= link_to 'Forgot password', new_password_path(resource_name) %>
<% end %>