body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #cce7ff;
    margin: 0;
    padding: 0;
}

header {
    background-color: #00509e;
    color: white;
    padding: 20px;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80vh;
}

canvas {
    border: 2px solid #00509e;
    background-color: white;
}

footer {
    background-color: #003f7f;
    color: white;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}