cssstyleproperty: Mark all animatable properties
cssstyleproperty: Mark all animatable properties

Only the ones that can be animated are marked of course. So more work is
needed.
This is important for
  transition-property: all;
because it'll just animate all the properties that can be.

Lyude/gtk-,ahodesuka/gtk,ahodesuka/gtk,alexlarsson/gtk,alexlarsson/gtk,ebassi/gtk,jigpu/gtk,Sidnioulz/SandboxGtk,msteinert/gtk,alexlarsson/gtk,davidgumberg/gtk,grubersjoe/adwaita,jessevdk/gtk,jessevdk/gtk,grubersjoe/adwaita,jadahl/gtk,Sidnioulz/SandboxGtk,jadahl/gtk,Adamovskiy/gtk,Lyude/gtk-,Adamovskiy/gtk,Sidnioulz/SandboxGtk,davidgumberg/gtk,alexlarsson/gtk,davidgumberg/gtk,bratsche/gtk-,Distrotech/gtk2,bratsche/gtk-,jadahl/gtk,Adamovskiy/gtk,Adamovskiy/gtk,ebassi/gtk,msteinert/gtk,chergert/gtk,bratsche/gtk-,msteinert/gtk,jessevdk/gtk,alexlarsson/gtk,Adamovskiy/gtk,jigpu/gtk,jessevdk/gtk,ahodesuka/gtk,jessevdk/gtk,Distrotech/gtk2,chergert/gtk,ahodesuka/gtk,bratsche/gtk-,chergert/gtk,alexlarsson/gtk,Distrotech/gtk2,msteinert/gtk,ebassi/gtk,grubersjoe/adwaita,jigpu/gtk,jessevdk/gtk,ebassi/gtk,Lyude/gtk-,Adamovskiy/gtk,grubersjoe/adwaita,davidgumberg/gtk,davidt/gtk,ebassi/gtk,davidt/gtk,jadahl/gtk,Adamovskiy/gtk,Adamovskiy/gtk,grubersjoe/adwaita,grubersjoe/adwaita,jigpu/gtk,davidt/gtk,bratsche/gtk-,Distrotech/gtk2,Sidnioulz/SandboxGtk,alexlarsson/gtk,ebassi/gtk,chergert/gtk,ahodesuka/gtk,jigpu/gtk,alexlarsson/gtk,davidgumberg/gtk,davidgumberg/gtk,davidt/gtk,Distrotech/gtk2,davidgumberg/gtk,msteinert/gtk,chergert/gtk,msteinert/gtk,chergert/gtk,jigpu/gtk,chergert/gtk,grubersjoe/adwaita,bratsche/gtk-,Lyude/gtk-,jessevdk/gtk,davidt/gtk,Sidnioulz/SandboxGtk,jigpu/gtk,jadahl/gtk,ahodesuka/gtk,Distrotech/gtk2,Lyude/gtk-,jadahl/gtk,Lyude/gtk-,davidt/gtk,Lyude/gtk-,ahodesuka/gtk,chergert/gtk,davidgumberg/gtk,jadahl/gtk,Lyude/gtk-,grubersjoe/adwaita,Sidnioulz/SandboxGtk,ahodesuka/gtk,jadahl/gtk,jigpu/gtk