app/views/cdx/admin/shared/publishable/_form_actions.html.erb
<div class="pull-right">
<% if f.object.published? %>
<%= f.submit t('admin.actions.unpublish'), name: :unpublish, class: 'btn btn-default' unless f.object.draft? %>
<%= f.submit nil, class: 'btn btn-info' %>
<% else %>
<%= f.submit nil, class: 'btn btn-default' %>
<%= f.submit t('admin.actions.publish'), name: :publish, class: 'btn btn-info' %>
<% end %>
</div>