anchor.diff:      color: #264409
   
   /**
  - * Messages
  + * Messages.
   
   .mail-list
     tr:last-child
  
positive.code:       border-color: #000033
  
  /**
   * Footer
  
  .page_footer
    position: absolute
  
negative.code:   color: #999
  
  /**
   * Tabs.
  
  .nlt-tabs
    @extend .nav-tabs
  