octopusviewer-viewer {
    display: block;
    margin: 1em 0;
    box-shadow: 0 0 5px 2px #e0e0e0;
    height: 50vmin;
    min-height: 450px;
}

.octopusviewer-media-view {
    height: 50vmin;
    min-height: 450px;
}