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

#game-container {
    text-align: center;
}

#game-board {
    display: grid;
    grid-template-columns: repeat(10, 30px);
    grid-template-rows: repeat(10, 30px);
    gap: 2px;
    background-color: #ccc;
    padding: 5px;
    border-radius: 5px;
}

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

.wall {
    background-color: #000;
}

.box {
    background-color: #ff8c00;
}

.target {
    background-color: #90ee90;
}

.player {
    background-color: #00f;
}

#step-count {
    margin-top: 10px;
    font-size: 20px;
}

#restart {
    margin-top: 10px;
    padding: 5px 10px;
    font-size: 16px;
}