code: func PrintStyles() {
  	// for compatibility with Windows, not needed for *nix
  	stdout := colorable.NewColorableStdout()
  
  	bgColors := []string{
  		"",
  		":black",
  		":red",
  		":green",
  		":yellow",
  		":blue",
  		":magenta",
  		":cyan",
  		":white",
  	}
  
  	keys := make([]string, 0, len(Colors))
  	for k := range Colors {
  		keys = append(keys, k)
  	}
  
  	sort.Sort(sort.StringSlice(keys))
  
  	for _, fg := range keys {
  		for _, bg := range bgColors {
  			fmt.Fprintln(stdout, padColor(fg, []string{"" + bg, "+b" + bg, "+bh" + bg, "+u" + bg}))
  			fmt.Fprintln(stdout, padColor(fg, []string{"+s" + bg, "+i" + bg}))
  			fmt.Fprintln(stdout, padColor(fg, []string{"+uh" + bg, "+B" + bg, "+Bb" + bg /* backgrounds */, "" + bg + "+h"}))
  			fmt.Fprintln(stdout, padColor(fg, []string{"+b" + bg + "+h", "+bh" + bg + "+h", "+u" + bg + "+h", "+uh" + bg + "+h"}))
  		}
  	}
  }
docs: // PrintStyles prints all style combinations to the terminal.