body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#background-cycler {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

#background-cycler img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

#background-cycler img.active {
    opacity: 1;
}

#content {
    position: relative;
    z-index: 1;
    color: white;
    padding: 20px;
    text-align: center;
}