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In previous versions of gtk it was easy to launch one instance of an application with default gtk settings:

GTK2_RC_FILES= epdfview

But for version 3, it won't work anymore:

GTK3_RC_FILES= evince

has no effect. Is this convenience definitely gone?

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up vote 5 down vote accepted

Ok the implementation has changed and details can be found in the documentation for the GtkCssProvider class. To use plain default settings, one can now use following:

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How do I set up a custom theme for a GTK3 app, using the above method? – HRJ Aug 6 '14 at 5:43
@HRJ - like this – don_crissti Nov 12 '15 at 14:32

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