       
       @backdrop.$element = $element
       @backdrop.$background = $background
+      @_positionOverlay($element)
 
     _removeElementMask: ->
       if @backdrop.$element

      $tip.attr("id", step.id)
      @_scrollIntoView($tip)
      @_reposition($tip, step)

      if isOrphan
        @_center($tip)


        .height($element.innerHeight())
        .addClass("tour-step-background")
        .offset(offset)
      ###
      
      $element.addClass("tour-step-backdrop")

      $("body").append($background)
