:root {
    --minesweeper-primary: white;
    --minesweeper-secondary: #0000005c;
    --minesweeper-tertiary: black;
}

.minesweeper-game {
    border: 3px solid var(--minesweeper-primary);
    max-width: 85vw;
    aspect-ratio: 4/3;
    width: -webkit-fill-available;
}