code: function(width, height) {
          var gutter = (this.options.gutter * 2),
              wWidth = $(window).width() - gutter,
              wHeight = $(window).height() - gutter,
              ratio,
              diff;
  
          // Resize if the width is larger
          if (width > wWidth) {
              ratio = (width / height);
              diff = (width - wWidth);
  
              width = wWidth;
              height -= Math.round(diff / ratio);
          }
  
          // Resize again if the height is larger
          if (height > wHeight) {
              ratio = (height / width);
              diff = (height - wHeight);
  
              width -= Math.round(diff / ratio);
              height = wHeight;
          }
  
          this.items.css({
              width: width,
              height: height
          });
      }
docs: Resize the showcase modal when it is larger than the current viewport.
  
  @private
  @param {Number} width
  @param {Number} height