anchor.diff:  <% if @history.any? %>
     <div class="panel panel-default">
       <div class="panel-heading"><h3 class="panel-title">History</h3></div>
  -    <table class="table table-hover clickable-rows">
  +    <table class="table table-hover clickable-rows hide-overlapping">
         <% @history.each do |r| %>
           <%= presenter(r).row %>
         <% end %>
  
positive.code: 
  <div class="panel panel-default">
    <table class="table table-bordered budget-table">
      <tr>
        <th></th>
        <% @periods.each do |period| %>
          <th colspan="3" class="text-center budget-table-head">
  
negative.code:       <% end %>
      </tr>
      <tr>
        <th class="col-lg-2 col-md-2 col-sm-2 col-xs-2 budget-table-head">
          Available to budget
        </th>
        <% @periods.each do |period| %>
          <td colspan="3"><%= period.available_to_budget_cell %></td>
        <% end %>
      </tr>
      <tr>
        <th class="budget-table-head">
          <%= link_to 'Category', categories_path %>
        </th>
        <% @periods.each do |period| %>
  