body {
    margin: 0;
    height: 100%; /* If you need the body to fill the viewport height */
    background-color: #000;
    text-align: center;
}

.container:first-child {
    margin-top: 35px;
}

.container.custom-margin:last-child {
    margin-top: 3000px;
}

img {
    max-width: 500px;
    max-height: 500px;
    width: 100%;
    height: auto;
    object-fit: contain; /* Ensure the image fits within the bounds while maintaining aspect ratio */
}

.img-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}