## HtmlSaveOptions.ExportCidUrlsForMhtm property Specifies whether to use CID (Content-ID) URLs to reference resources (images, fonts, CSS) included in MHTML documents. Default value is `false`. ``......Contains("<link href=3D\"cid:styles.css\" type=3D\"text/css\" rel=3D\"stylesheet\"...That(outDocContents.Contains("@font-face { font-family:'Arial Black';...