aspose.words.saving.HtmlSaveOptions class. Can be used to specify additional options when saving a document into the [SaveFormat.HTML](../../aspose.words/saveformat/#HTML), [SaveFormat.MHTML](../../aspose.words/saveformat/#MHTML), [SaveFormat.EPUB](../../aspose.words/saveformat/#EPUB), [SaveFormat.AZW3](../../aspose.words/saveformat/#AZW3) or [SaveFormat.MOBI](../../aspose.words/saveformat/#MOBI) format... css_class_name_prefix Specifies a...prefix which is added to all CSS class names. Default value is...