anchor.diff:        border-color: #000033
   
   /**
  - * Footer
  + * Footer.
   
   .page_footer
     position: absolute
  
positive.code:   padding: 10px 15px
  
  /**
   * Ads
  
  .profile-info
    font-size: 1.3em
  
negative.code:   color: #999
  
  /**
   * Tabs.
  
  .nlt-tabs
    @extend .nav-tabs
  