app/views/containers/steps/_form_buttons.html.erb
<div class="clearfix">
<div class="form-actions col-md-6 col-md-offset-2 small-gutter">
<% if step == :preliminary %>
<%= link_to _("Cancel"), containers_path, :class => "btn btn-danger" %>
<% else %>
<a class="btn btn-default" href="<%= previous_wizard_path %>">
<%= _("Previous Step") %>
</a>
<% end %>
<%= button_tag(:id => 'next', :type => 'submit', :class => "btn btn-primary") do %>
<% if last_step? %>
<%= _("Submit") %>
<% else %>
<%= _("Next Step") %>
<% end %>
<% end %>
</div>
</div>