body {
    text-align: center;
    background: #f0f0f0;
    font-family: Arial, sans-serif;
}

canvas {
    background: #87ceeb;
    border: 2px solid #333;
    display: block;
    margin: 0 auto;
}

h1 {
    margin-top: 20px;
    color: #333;
}

#score, #lives {
    font-size: 20px;
    font-weight: bold;
}