psu-libraries/psulib_blacklight

<% if previous? %>
  <%= link_to 'Previous',
              previous_path,
              class: 'btn btn-primary',
              title: previous_title %>
<% end %>

<% if next? %>
  <%= link_to 'Next',
              next_path,
              class: 'btn btn-primary',
              title: next_title %>
<% end %>