anchor.diff:  
   li.done:hover .undo a {
     color: inherit;
  -  text-decoration: none;
   }
   
   .step.current {
  
positive.code: }
  
  .current-question {
    border-top: solid 1px #C9D0D0;
    margin-top: -1px;
    padding: 1.5em 0 1.25em 0;
  }
  
  .current-question h2 {
    border: none;
    margin-bottom: 0.5em;
    position: relative;
  }
  
negative.code: .done-questions ol > li {
    list-style: none;
    position: relative;
    padding: 0.75em 1.5em 0.75em 5em;
  }
  
  .done-questions ol > li.done {
  