#game-board {
    display: grid;
    grid-template-columns: repeat(5, 50px);
    grid-template-rows: repeat(5, 50px);
    gap: 5px;
    width: fit-content;
    margin: 50px auto;
}

.cell {
    background-color: #ccc;
    cursor: pointer;
}

.cell.active {
    background-color: #ff0000;
}