body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #eef2e2;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
}

.maze {
    display: grid;
    grid-template-columns: repeat(10, 32px);
    grid-template-rows: repeat(10, 32px);
    gap: 2px;
    margin: 20px auto;
    background: #333;
    padding: 5px;
    width: fit-content;
}

.cell {
    width: 32px;
    height: 32px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wall {
    background: #444;
}

.cell img {
    width: 28px;
    height: 28px;
}