anchor.diff:              context.drawImage(currentImg, 0, 0);
   
               // Duplicate reference image and shrink both canvas/image for output
  -            var imgHeight = 250;
  -            canvasEl.style.height = imgHeight + 'px';
  +            canvasEl.style.width = '100%';
               var refImgClone = refImg.cloneNode();
  -            refImgClone.style.height = imgHeight + 'px';
  +            canvasEl.style.width = '100%';
   
               // Generate and append result content
               // DEV: We use a document fragment to avoid `n` DOM edits -- instead it's 1
  
positive.code:             // Create a canvas
              // https://github.com/scijs/get-pixels/blob/7c447cd979637b31e47e148f238a1e71611af481/dom-pixels.js#L14-L18
              var canvasEl = document.createElement('canvas');
              canvasEl.width = refImg.width;
              canvasEl.height = refImg.height;
              var context = canvasEl.getContext('2d');
  
              // Load our reference into the canvas
  
negative.code:               currentImg: imageSetEl.querySelector('[data-compare-type=current]'),
                diffImg: imageSetEl.querySelector('[data-compare-type=diff]'),
                refImg: imageSetEl.querySelector('[data-compare-type=ref]'),
                humanName: imageSetEl.getAttribute('data-image-set')
              };
            });
  
  