anchor.diff:            <div class="card-header striped-outer" id="session-header-<%= session.id %>">
               <div class="row mb-0">
                 <div class="col-md-5">
  -                <button class="btn btn-link" type="button" data-toggle="collapse" data-target="#session-<%= session.id %>" aria-expanded="false" aria-controls="session-<%= session.id %>">
  -                  <%= session.name %>: <%= session.timeslot %>
  -                </button>
  -                <em>(Click to see
  -                  <% if session.premium_tables? %>non-charity
  -                  <% end %>games offered)</em>
  +                <%= session.name %>: <%= session.timeslot %>
                 </div>
                 <div class="col-md-1 no-pad"></div>
                 <div class="col-md-2 no-pad ">
  
positive.code:               </div>
  
                <% tables = session.nonpremium_tables %>
                <% tables = tables.sort_by { |table| [table.scenario] } %>
                <% if tables.empty? %>
                  <div class="row no-pad striped-inner">
  
negative.code:           <% if session.premium_tables? %>
              <div class="card-body">
                <div class="row no-pad">
                  <div class="col-md-5 header-premium no-pad">Charity Tables for <%= session.name %>:</div>
                  <div class="col-md-1 header-premium no-pad">Details</div>
                  <div class="col-md-2 header-premium no-pad">Seats Remaining</div>
                  <div class="col-md-2 header-premium no-pad" style="padding-left: 1em;">RSVP</div>
  