body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #000;
    color: white;
}

#gameCanvas {
    border: 1px solid #fff;
}

#collisionCount {
    margin-top: 10px;
    font-size: 18px;
}