Following up on using Debian on the WeTab with GNOME Shell I've put together a bit of GTK+3 CSS to make it more touch friendly. It's in the same git repo as the OSK extension. If you put the gtk.css into ~/.config/gtk-3.0/gtk.css scrollbars will be a bit larger and the padding between widgets will be increased over the default theme:
This will need more work since some of the sliders look a bit a awkward now so any enhancements will be greatly appreciated. The docs for GTK3's CSS are here.
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