VTK-4892 - add sone classes so can reuse css
VTK-4892 - add sone classes so can reuse css

(cherry picked from commit cea1e6b980a4b90583f50428b4927ff18799beca)

vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk