anchor.diff:  
   nav#top-nav-bar {
     float: right;
  -  width: auto;
  +  position: absolute;
  +  left: 50%;
  +  margin-left: -130px;
   }
   
   .no-bottom-border {
  
positive.code:   padding-bottom: 7px;
    font-family: georgia;
    font-weight: initial !important;
  }
  
  .container .column, .container .columns {
  
negative.code: }
  
  figure {
    margin-bottom: 25px;
  }
  
  figure img {
  