body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

#game-container {
    display: grid;
    grid-template-columns: repeat(10, 30px);
    grid-template-rows: repeat(10, 30px);
    gap: 1px;
}

.cell {
    width: 30px;
    height: 30px;
    background-color: #ccc;
}

.wall {
    background-color: #000;
}

.player {
    background-color: #0f0;
}

.exit {
    background-color: #f00;
}

.unrevealed {
    background-color: #f0f0f0;
}