:root{--cell-height: 2rem}.polyomino{display:block;width:auto;max-width:100%}.polyomino .polyomino-cell{color:var(--accent-color)}.polyomino-1row{height:calc(var(--cell-height))}.polyomino-2rows{height:calc(var(--cell-height)*2)}.polyomino-3rows{height:calc(var(--cell-height)*3)}.polyomino-4rows{height:calc(var(--cell-height)*4)}.polyomino-5rows{height:calc(var(--cell-height)*5)}