anchor.diff:    const predictOn = () => {
       cd.settings.predict('on');
       cd.kata.testButton.hide(() => {
  +      $revertTitle.show('slow');
         $buttonsContainer.slideDown('slow');
         cd.kata.showPredictImages();
         cd.kata.showPredictCounts();
  
positive.code:   const predictOff = () => {
      cd.settings.predict('off');
      $buttonsContainer.slideUp('slow', () => {
        cd.kata.testButton.show();
        cd.kata.hidePredictImages();
        cd.kata.hidePredictCounts();
  
negative.code:   <label for="predict-checkbox"></label>
  </div>
  
  <div id="revert-checkbox-title" style="display:none;">auto-revert when wrong!</div>
  
  <div id="predict-buttons-container" style="display:none;">
    <table>
  