anchor.diff:               corresponding to each hash -->
           <% @version_fileId_map.sort.each do |each_version, review_file_id| %>
               <% if each_version.to_s == @current_review_file.version_number.to_s %>
  -                <td style="color: #986633">
  +                <td style="color: black">
                     <%= each_version %>
                   </td>
               <% else %>
                   <td class="version_number" >
  -                  <%= link_to each_version, :controller => 'review_files',
  +                  <%= link_to each_version, {:controller => 'review_files',
                                 :action => 'show_code_file_diff',
                                 :participant_id => @participant.id,
                                 :versions => file_versions,
                                 :diff_with_file_id => review_file_id,
  -                              :current_version_id => @current_review_file.id %>
  +                              :current_version_id => @current_review_file.id},
  +                              :class =>"version_link" %>
                   </td>
               <% end %>
   
  
positive.code:       tr.highlight :hover { font-weight: bold;  }
  
        td.version_number {
            background-color: #faee7f;
            border-left: thin solid gray;
            border-right: thin solid gray;
            border-top: thin solid gray;
            border-bottom: thin solid gray;
        }
  
        td.version_number :hover {
            font-weight: bold;
  
negative.code:           border-right: thin solid black;
            border-top: thin solid black;
            border-width: 1px;
            color: white;
            background-color: rgb(150, 0, 4);
        }
  
        .version_diff_header {
            border-bottom: none;
            border-left: thin solid black;
            border-right:thin solid black;
            border-top: thin solid black;
            border-width: 1px;
            /*background-color: rgba(250, 3, 0, 0.37);*/
            background-color: rgb(150, 0, 4);
            color: white;
        }
  
            a.version_link {
                color: black;
            }
  
    </style>
  
  