app/views/user/sessions/new.html.erb
<% content_for(:page_header) do %>
<h1>Sign in</h1>
<% end %>
<%= simple_form_for(resource, :as => resource_name, :url => session_path(resource_name)) do |f| %>
<%= f.input :email, :required => false %>
<%= f.input :password, :required => false %>
<% if devise_mapping.rememberable? -%>
<div class="control-group">
<div class="controls">
<label class="checkbox">
<%= f.check_box :remember_me %> Remember me
</label>
</div>
</div>
<% end -%>
<div class="form-actions">
<%= f.submit "Sign in", :class => "btn btn-primary", :disable_with => "Validating..." %>
<%= link_to "Cancel", root_path, :class => "btn" %>
</div>
<% end %>
<div class="pagination-centered">
<p>(or)</p>
<% OmniauthProviders.each do |provider| %>
<%= link_to image_tag(provider_image(provider, 64), :alt => provider.to_s.humanize), "/auth/#{provider}" %>
<% end %>
</div>
<% content_for(:sidebar) do %>
<%= render :partial => "user/shared/links" %>
<% end %>