HtmlFixedSaveOptions.saveFontFaceCssSeparately property. Flag indicates whether @font-face CSS rules should be placed into a separate file fontFaces.css when a Document is being saved with external stylesheet (that is, when [HtmlFixedSaveOptions.exportEmbeddedCss](../exportEmbeddedCss/) is ``false``)... let doc = new aw . Document ( base ....saveFontFaceCssSepar = true ; doc . save ( base . artifactsDir...