body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f0f0f0;
}

.game-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

#game-board {
    border: 2px solid #333;
    background-color: #fff;
}

.game-info {
    text-align: center;
}

#next-tetromino {
    border: 2px solid #333;
    background-color: #fff;
}

#start-button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}