anchor.diff:                  <td>
                     <p>
                       <% if record.task %>
  -                      <%= record.task.id_with_short_desc %>
  +                      <a href="/tasks/<%= record.task.id%>" class="undecorated-link"><%= record.task.id_with_short_desc %></a>
                       <% else %>
                         <i class="gray">No task</i>
                       <% end %>
  
positive.code:       </div>
  
        <div class="panel-body">
  
          <table class="table">
            <thead>
              <tr>
                <th class="col-sm-2">Duration</th>
                <th class="col-sm-5">Task</th>
                <th class="col-sm-3">Created at</th>
                <th class="col-sm-2"></th>
              </tr>
            </thead>
  
negative.code:         <div class="graph">
            <ul>
              <% left_margin = 45 %>
  
              <% last_21_dates.each do |date| %>
                <% records = time_records.find { |group| group.first.started_at.to_date == date } %>
  