anchor.diff:          <% end %>
   
           <% if controller_name == "polls" && action_name == "show" %>
  -          <li class="is-active">
  +          <li class="active">
               <h2><%= t("polls.show.info_menu") %></h2>
             </li>
           <% else %>
  
positive.code: 
          <% if current_user&.administrator? || @poll.stats_enabled? %>
            <% if controller_name == "polls" && action_name == "stats" %>
              <li class="is-active">
                <h2><%= t("polls.show.stats_menu") %></h2>
              </li>
            <% else %>
  
negative.code:       <ul class="menu simple clear">
          <% if current_user&.administrator? || @poll.results_enabled? %>
            <% if controller_name == "polls" && action_name == "results" %>
              <li class="active">
                <h2><%= t("polls.show.results_menu") %></h2>
              </li>
            <% else %>
  