:root {
  --color-1: #000;
  --grid-1: repeat(1, minmax(0, 1fr));
  --grid-2: repeat(2, minmax(0, 1fr));
  --grid-3: repeat(3, minmax(0, 1fr));
  --grid-4: repeat(4, minmax(0, 1fr));
  --grid-5: repeat(5, minmax(0, 1fr));
}