anchor.diff:  
       void restart() {
           active = true;
  +        statsPanel.remove();
           marquee.remove();
           int totalChars = number.valueAsNumber;
           marquee.text = generateText(totalChars: totalChars);
  
positive.code:     int scrollAmount = 5;
      int scrollDelay = 1;
      DivElement container;
      boolean active = true;
  
      void buildControls() {
          initFingerKeyMap();
  
negative.code:                  ButtonElement restartButton = new Element.html("""
                       <button>Restart</button>
                   """);
                   restartButton.on.click.add((Event event) {
                       restart();
                   });
                   document.body.elements.add(restartButton);
  