anchor.diff:    background: url('<%= image_path("background/background-stripes.png") %>') repeat #dcdcd7;
   }
   
  -a:hover {
  +a:not(.btn):hover {
     text-decoration: none;
     border-bottom: 2px dotted;
   }
  
positive.code:       text-transform: uppercase;
      }
  
      // hide border on menu links
      a { border-bottom: none; }
      // show link border on interior span (just the text)
  
negative.code:     .label {
        position: absolute;
        right: 10px;
        top: 50%;
        margin-top: -8px;
      }
    }
  
  