/* df.WebHtmlViewer (cWebHtmlViewer.pkg) */
.WebHtmlViewer_Box {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    min-height: 60px;
    height: 300px;
    border: 1px solid #c8c8c8;
    border-radius: 3px;
    background: #fff;
    overflow: hidden;
}

.WebHtmlViewer_Frame {
    display: block;
    flex: 1 1 auto;
    width: 100%;
    min-height: 0;
    border: 0;
    background: #fff;
}