anchor.diff:  <%= render partial: "events/tabs" %>
   
   <div class="row">
  -  <div class="col-sm-6">
  +  <div class="col-sm-7">
       <h3>Description</h3>
       <table class="table">
         <tr>
  
positive.code:   </div>
  
    <% if can? :register, @event %>
      <div class="col-sm-4">
        <%= render partial: "registrations/form" %>
      </div>
    <% end %>
  
negative.code:     <% if not @event.access_levels.blank? %>
        <h3>Tickets</h3>
        <div class="row">
          <div class="col-sm-8">
            <ul class="list-group">
              <% @event.access_levels.each do |al| %>
                <%= render partial: "events/ticket", locals: {al: al} %>
  