.siae-image-lightbox {
    position: fixed;
    inset: 0;
    margin: auto;
    padding: 12px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
    overflow: visible;
}
.siae-image-lightbox::backdrop {
    background: rgba(0, 0, 0, .85);
}
.siae-image-lightbox img {
    display: block;
    max-width: calc(100vw - 56px);
    max-height: calc(100vh - 56px);
    width: auto;
    height: auto;
    object-fit: contain;
    background: #fff;
}
.siae-image-lightbox__close {
    position: absolute;
    top: -20px;
    right: -20px;
    z-index: 2;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: #222;
    font-size: 30px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
}
.siae-image-lightbox__close:hover {
    background: #ddd;
    color: #000;
}