anchor.diff:  }
   
   .get-started .button .call-to-action,
  -.button.big {
  +.get-started .button.big {
     display:block;
     font-size:1.3162em;
     padding:0.5em 1.7em 0.35em 0.5em;
  
positive.code:   font-weight:300;
  }
  
  .button:hover span.call-to-action,
  .button.big:hover,
  .button:hover {
    background-color: #3ABAA8;
    color: #fff;
  
negative.code:   font-family:"NTA", "Helvetica Neue", Arial, Helvetica, sans-serif;
  }
  
  .get-started .button .call-to-action,
  .get-started .button.big,
  .button,
  .button:visited {
    background-color:#28a198;
  