anchor.diff:  .done-questions ol > li {
     list-style: none;
     position: relative;
  -  padding: 0.5em 1.5em 0.5em 5em;
  +  padding: 0.75em 1.5em 0.75em 5em;
   }
   
   .done-questions ol > li.done {
  
positive.code: }
  
  .question .question-number {
    margin-left: -1.7em;
  }
  
  .current-question ul {
  
negative.code: */
  
  .hint {
    display: block;
  }
  
  