docs: def frontiers_style():
      '''
      Figure styles for frontiers
      '''
      
      inchpercm = 2.54
      frontierswidth=8.5 
      textsize = 5
      titlesize = 7
      plt.rcdefaults()
      plt.rcParams.update({
          'figure.figsize' : [frontierswidth/inchpercm, frontierswidth/inchpercm],
          'figure.dpi' : 160,
          'xtick.labelsize' : textsize,
          'ytick.labelsize' : textsize,
          'font.size' : textsize,
          'axes.labelsize' : textsize,
          'axes.titlesize' : titlesize,
          'axes.linewidth': 0.75,
          'lines.linewidth': 0.75,
          'legend.fontsize' : textsize,
      })
      return None