app/views/alchemy/breadcrumb/_page.html.erb
<% css_classes = [options[:page] == page ? "active" : nil] %>
<% if page == pages.first %>
<% css_classes << "first" %>
<% elsif page == pages.last %>
<% css_classes << "last" %>
<% end %>
<%= link_to_unless(
!options[:link_active_page] && options[:page] == page,
h(page.name),
show_alchemy_page_path(page),
class: css_classes.compact.join(" "),
title: page.title
) do |name, _url, html_options| %>
<%= content_tag :span, name, html_options %>
<% end %>