body {
    margin: 0;
    padding: 0;
    background-color: #2c3e50;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: Arial, sans-serif;
}

#game-container {
    border: 2px solid #34495e;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

canvas {
    display: block;
    border-radius: 6px;
}