app/views/kaminari/trestle/_page.html.erb
<%# Link showing page number
- available local variables
page: a page object for "this" page
url: url to this page
current_page: a page object for the currently displayed page
total_pages: total number of pages
per_page: number of items to fetch per page
remote: data-remote
-%>
<li class="page-item<% if page.current? %> active<% end %>">
<%= link_to content_tag(:span, page), url, class: "page-link", remote: remote, rel: page.next? ? 'next' : page.prev? ? 'prev' : nil %>
</li>