code: function() {
          var style = this._div.style,
              view = this._viewportRect();
  
          var scale = view._scale;
          var dx = -view._x * scale;
          var dy = -view._y * scale;
  
          style.transform = style[Crafty.support.prefix + "Transform"] =
              "scale(" + scale + ", " + scale + ")";
          style.left = Math.round(dx) + "px";
          style.top = Math.round(dy) + "px";
          style.zIndex = this.options.z;
      }
docs: Sets the viewport position and scale Called by render when the dirtyViewport flag is set