<gresource prefix="/css_basics">
<file alias="gtk.css">css_basics.css</file>
</gresource>
+ <gresource prefix="/css_multiplebgs">
+ <file alias="gtk.css">css_multiplebgs.css</file>
+ </gresource>
<gresource prefix="/theming_custom_css">
<file alias="gtk.css">fancy.css</file>
</gresource>