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An example of a customized theme is GiD classic renewed, which can be found in GiD's Data --> Problem type --> Internet retrieve:
After downloading it, go to the Preferences window, select Graphical --> Appearance in the left tree and select the GiD classic renewed under GiD theme. GiD will ask you to restart the program for the changes to take effect.
Look of the GiD classic renewed theme:
This theme is a work in progress and new version will be released with new icons.
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The last option TkFromTheme its important to obtain a complet complete integrated look, tk Tk colors will be adapted with ttk colors, we recomment oposite value of OnlyDefineColorsOnMainGiDFrame (true=> false, false=>true)