.image-viewer {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10000000;
    background-color: rgba(0,0,11,0.5);
    width: 100%;
    height: 100%;
    display:flex;
    justify-content:center;
    align-items: center;

}
    .image-viewer .image-container {
        max-width: 80%;
        max-height: 80%;
        overflow: auto;
    }
        .image-viewer .image-container img {
            width: 100%;
        }
    .image-viewer .viewer-close{
        position: absolute;
        top: 8px;
        right: 8px;
    }