anchor.diff: -<h1 class="search-heading">Search results for '<mark><%= @search.t %></mark>'</h1>
  +<h2 class="heading-medium">Search results for '<%= @search.t %>'</h2>
   <article class="search-results">
     <% if @results.any? %>
       <% if @results.reference_match.sections.any? %>
  
positive.code:       <h2>Headings containing <%= @search %>:</h2>
        <dl class="results-subset">
          <% @results.goods_nomenclature_match.resulting_headings.group_by(&:chapter_code).each do |chapter, headings| %>
          <dt class="chapter-code" ttile="Chapter code"><%= headings.first.chapter.short_code %></dt>
          <dd>
            <%= link_to headings.first.chapter, chapter_path(headings.first.chapter) %>
            <dl class="results-headings">
  
negative.code:     <% end %>
    <% else %>
      <p>There are no results matching your query.</p>
      <div class="panel panel-border-wide">
        <p><strong>Please search again and consider:</strong></p>
        <ul class="list list-bullet">
          <li>Checking your spelling</li>
          <li>Broadening your search criteria</li>
          <li>Browsing the <%= link_to 'A-Z index', a_z_index_path(letter: 'a') %></li>
        </ul>
      </div>
    <% end %>
  </article>
  