_gtk_css_keyframes_compute() returns a reference to a GtkCssKeyframes,
and _gtk_css_animation_new() takes another reference.
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)),
_gtk_css_fill_mode_value_get (_gtk_css_array_value_get_nth (fill_modes, i)),
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (iteration_counts, i), 100));
+ _gtk_css_keyframes_unref (keyframes);
}
values->animations = g_slist_prepend (values->animations, animation);
}