anchor.diff:                  }, [
                     D.INPUT({type: 'checkbox', checked: true})
                   ]),
  -                D.TD([refImgClone]),
  -                D.TD([canvasEl])
  +                D.TD({style: 'vertical-align: top;'}, [refImgClone]),
  +                D.TD({style: 'vertical-align: top;'}, [canvasEl])
                 ])
               ]);
               resultsDocFrag.appendChild(resultGroupEl);
  
positive.code:               currentImg: imageSetEl.querySelector('[data-compare-type=current]'),
                diffImg: imageSetEl.querySelector('[data-compare-type=diff]'),
                refImg: imageSetEl.querySelector('[data-compare-type=ref]'),
                humanName: imageSetEl.dataset['image-set']
              };
            });
  
  
negative.code:             context.drawImage(currentImg, 0, 0);
  
              // Duplicate reference image and shrink both canvas/image for output
              canvasEl.style.width = '100%';
              var refImgClone = refImg.cloneNode();
              canvasEl.style.width = '100%';
  
              // Generate and append result content
              // DEV: We use a document fragment to avoid `n` DOM edits -- instead it's 1
  