<%= link_to new_site_mapping_path(@site), class: 'btn btn-primary' do %>
  <i class="icon-plus icon-white"></i> Add mapping
<% end %>

<%= link_to new_site_mapping_path(@site), class: 'btn btn-success' do %>
  <i class="icon-plus icon-white"></i> Add mapping
<% end %>

Switch back to green success button
Switch back to green success button

* We're using this as a positive action in other admin apps
