Aspose::Words::Saving::HtmlSaveOptions::get_CssClassNamePrefix method. Specifies a prefix which is added to all CSS class names. Default value is an empty string and generated CSS class names have no common prefix in C++....myprefix-Footer { margin-bottom:0pt; line-height:normal; font-family:Arial;...myprefix-Header { margin-bottom:0pt; line-height:normal; font-family:Arial;...