:root {
  color-scheme: light dark;

  --bg1:  light-dark(#e8e8e8, #383838);
  --bg2:  light-dark(#d2d2d2, #595959);
  --bg3:  light-dark(#f00,    #f00); /* Navigation */
  --fg1:  light-dark(#383838, #e8e8e8);
  --fg2:  light-dark(#0f0,    #0f0);
  --link: light-dark(#3c87ad, #49a4d0);
}