body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

#image-container {
    max-width: 90%;
    max-height: 90%;
}

img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}