It's not needed to call _reset_style() here, as we did not add the
widget to the parent container yet.
https://bugzilla.gnome.org/show_bug.cgi?id=650530
context = gtk_widget_get_style_context (page_info->current_title);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_HIGHLIGHT);
- gtk_widget_reset_style (page_info->current_title);
gtk_size_group_add_widget (priv->title_size_group, page_info->regular_title);
gtk_size_group_add_widget (priv->title_size_group, page_info->current_title);