.thumbnail-preview-frame {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.thumbnail-preview-frame .thumbnail-image--cover {
    width: 100% !important;
    height: 100% !important;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover !important;
}

.thumbnail-preview-frame .thumbnail-image--expand {
    width: 100% !important;
    height: auto !important;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain !important;
}

.mipbook-info-panel .thumbnail-expand-option {
    background-color: #e6e7ee;
    border: 1px solid rgba(68, 71, 106, 0.2);
}

.mipbook-info-panel .errorlist {
    color: #FA5252 !important;
    font-weight: bold;
    margin-top: 2em;
}