.image-fullscreen-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.85);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}
.image-fullscreen-img {
    max-width: 95vw;
    max-height: 95vh;
    border-radius: 1rem;
    box-shadow: 0 2px 24px #0008;
    background: #fff;
}