anchor.diff:  <div class="kata predict-counts" style="display:none;">
  +  <div class="circle box">
  +    <div class="cross count">0</div>
  +    <img src="/images/traffic-light/circle-cross.png">
  +  </div>
     <div class="tick box">
       <div class="tick count">0</div>
       <img src="/images/traffic-light/circle-tick.png">
  -  </div>
  -  <div class="circle box">
  -    <div class="cross count">0</div>
  -    <img src="/images/traffic-light/circle-cross.png">
     </div>
     <div class="total">0&nbsp;predictions</div>
   </div>
  
positive.code: };
  
  $(() => {
  
    cd.kata.predictCounts.update = (light) => {
      const colour = light.colour;
  
negative.code: 
    const plural = (n) => n == 1 ? '' : 's';
  
  });
  </script>
  