           @shaders[axis].bottom = []
 
       shader = document.createElement 'div'
-      shader.style[transitionProp] = 'opacity'
-      shader.style[transitionDurationProp] = @settings.speed + 's'
-      shader.style[transitionEasingProp] = @settings.easingMethod
+      shader.style[css.transitionProp] = 'opacity'
+      shader.style[css.transitionDuration] = @settings.speed + 's'
+      shader.style[css.transitionEasing] = @settings.easingMethod
       shader.style.position = 'absolute'
       shader.style.width = '100%'
       shader.style.height = '100%'

        else
          rotation = [1, 0, 0, -deg]

      panel.style[transformProp] = @_transform @_getXy(i, anchor), rotation

      if @shading and !(i is 0 and options.anchor) and Math.abs(deg) isnt 180
        @_setShader i, anchor, deg

    @el.style.width = @width + 'px'
    @el.style.height = @height + 'px'
    @el.style.backgroundColor = 'transparent'
    @el.style[css.perspective] = @settings.perspective
    @stages.left.style.display = 'block'
    @el.innerHTML = ''

