:root {
  --blackA1: hsla(0, 0%, 0%, 0.012);
  --blackA2: hsla(0, 0%, 0%, 0.027);
  --blackA3: hsla(0, 0%, 0%, 0.047);
  --blackA4: hsla(0, 0%, 0%, 0.071);
  --blackA5: hsla(0, 0%, 0%, 0.090);
  --blackA6: hsla(0, 0%, 0%, 0.114);
  --blackA7: hsla(0, 0%, 0%, 0.141);
  --blackA8: hsla(0, 0%, 0%, 0.220);
  --blackA9: hsla(0, 0%, 0%, 0.439);
  --blackA10: hsla(0, 0%, 0%, 0.478);
  --blackA11: hsla(0, 0%, 0%, 0.565);
  --blackA12: hsla(0, 0%, 0%, 0.910);
}