code: func createGenChromaStyles() *genChromaStyles {
  	g := &genChromaStyles{
  		baseCmd: newBaseCmd(&cobra.Command{
  			Use:   "chromastyles",
  			Short: "Generate CSS stylesheet for the Chroma code highlighter",
  			Long: `Generate CSS stylesheet for the Chroma code highlighter for a given style. This stylesheet is needed if pygmentsUseClasses is enabled in config.
  
  See https://help.farbox.com/pygments.html for preview of available styles`,
  		}),
  	}
  
  	g.cmd.RunE = func(cmd *cobra.Command, args []string) error {
  		return g.generate()
  	}
  
  	g.cmd.PersistentFlags().StringVar(&g.style, "style", "friendly", "highlighter style (see https://help.farbox.com/pygments.html)")
  	g.cmd.PersistentFlags().StringVar(&g.highlightStyle, "highlightStyle", "bg:#ffffcc", "style used for highlighting lines (see https://github.com/alecthomas/chroma)")
  	g.cmd.PersistentFlags().StringVar(&g.linesStyle, "linesStyle", "", "style used for line numbers (see https://github.com/alecthomas/chroma)")
  
  	return g
  }
docs: // TODO(bep) highlight