Improper Styles :h1

<!-- RST

.. toctree::
   :maxdepth: 1

   improper_class2
   improper_cossq
   improper_cvff
   improper_distance
   improper_fourier
   improper_harmonic
   improper_hybrid
   improper_none
   improper_ring
   improper_umbrella
   improper_zero

END_RST -->
