body {
    margin: 0;
    background: #70c5ce;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: Arial, sans-serif;
}

#gameContainer {
    position: relative;
}

canvas {
    background: #70c5ce;
    display: block;
}

#gameOver {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    color: white;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

button {
    padding: 10px 20px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}

#score, #highScore {
    font-size: 20px;
    margin: 10px;
}