anchor.diff:  
           void restartWithCustomText() {
               active = true;
  +            statsPanel.remove();
               marquee.remove();
               int totalChars = number.valueAsNumber;
               marquee.text = '|'+customText.text;
  
positive.code: 
      void restart() {
          active = true;
          marquee.remove();
          int totalChars = number.valueAsNumber;
          marquee.text = generateText(totalChars: totalChars);
  
negative.code:                  ButtonElement restartButton = new Element.html("""
                       <button>Restart</button>
                   """);
                   restartButton.on.click.add((Event event) {
                       restart();
                   });
                   document.body.elements.add(restartButton);
  