DataFlex Styler
From DataFlex Wiki
The DataFlex Styler is an online utility that can be used to customize themes for the DataFlex WebApp Framework. It currently supports customization of the colors of the Flat Touch and Flat Desktop themes that are part of the standard DataFlex WebApp Framework.
For documentation and help about the DataFlex Styler, see https://styler.dataaccess.eu/webappstyler-tutorial/