body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #2a2a2a;
    font-family: Arial, sans-serif;
    color: #ffffff;
}

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

h1 {
    color: #4CAF50;
    margin-bottom: 20px;
}

canvas {
    background-color: #1a1a1a;
    border: 2px solid #4CAF50;
}

.score {
    font-size: 24px;
    margin: 20px 0;
    color: #4CAF50;
}

.instructions {
    margin-top: 20px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}