.acf-fc-popup .preview {
    position: absolute;
    right: 100%;
    margin-right: 0px;
    top: 0;
    background: #383c44;
    min-height: 100%;
    border-radius: 5px;
    align-content: center;
    display: grid;
}

.acf-fc-popup .preview .inner-preview {
    padding: 10px;
}

.acf-fc-popup .preview img {
    display: block;
}