body {
    margin: 0;
    font-family: Arial, sans-serif;
    text-align: center;
    background: linear-gradient(to bottom, #4da6ff, #003366);
    color: white;
}
#startScreen {
    margin-top: 50px;
}
button {
    padding: 10px 20px;
    font-size: 18px;
    margin-top: 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    background: #00cc66;
    color: white;
    transition: background 0.3s;
}
button:hover {
    background: #00994d;
}
 
#gameCanvas {
    display: block;
    margin: 20px auto;
    background: #0077b3;
    border: 3px solid white;
    border-radius: 15px;
}

#scoreBoard {
    font-size: 22px;
    margin-top: 10px;
}