 
         views.push wrapper
 
-    splitView = new SplitViewWithOlderSiblings { type, sizes, views }
+    splitView = new SplitViewWithOlderSiblings { type, sizes, views, cssClass }
     @splitViews[@baseSplitName] = splitView  if @baseSplitName
     splitView.on "ResizeDidStop", => @emitResizedEventToPanes()
 


  init: ->
    @splitViews    = {}
    {direction, sizes, views, splitName} = @getOptions().layoutOptions
    @baseSplitName = splitName

    @addSubView @createSplitView direction, sizes, views, splitName

  createSplitView: (type, sizes, viewsConfig, splitName) ->
    views = []

    viewsConfig.forEach (config, index) =>

        {options}   = config
        {splitName} = options

        splitView = @createSplitView
          type        : options.direction
          sizes       : options.sizes
          cssClass    : options.cssClass
          viewsConfig : config.views

        @splitViews[splitName] = splitView  if splitName
        views.push splitView
      else
