I'm not sure, but I think the theme texts are reversed.
Text: Theme selector (https://makie.de/translator/script/edit.php?obj_id=70352)
Note: Loading a GUI theme dialog
Text: Select a theme for display (https://makie.de/translator/script/edit.php?obj_id=62011)
Note: title/tooltip of thememanager
(https://forum.simutrans.com/index.php?action=dlattach;topic=21288.0;attach=30026;image)