body {
    text-align: center;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
}

#tetris-board {
    display: inline-block;
    position: relative;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    margin-top: 50px;
}

canvas {
    border: 2px solid #000;
    background-color: #2d2d2d;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

#score-display {
    font-size: 24px;
    color: white;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
}

#game-over-message {
    font-size: 30px;
    color: red;
    font-weight: bold;
    margin-top: 20px;
}

#start-btn {
    padding: 15px 25px;
    font-size: 18px;
    background-color: #ff6f61;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

#start-btn:hover {
    background-color: #ff4a39;
}