body {
    background-color: #1a1a1a;
    color: #ffffff;
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}
header {
    text-align: center;
}
#gameArea {
    margin: 20px;
}
#speedSettings {
    margin: 20px;
}
canvas {
    border: 2px solid #ff00ff;
    background-color: #000000;
}
button {
    background-color: #ff00ff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #e600c3;
}