Override.css doesn't work anymore?

a few months ago i figured out when embed widgets via iframes on other sites, i can user the /themes/default/override.css to change the design of the widget.
but now this CSS file doesn’t seem to be loaded anymore.

is there another CSS which is included only when using an iframe widget?



We are working on Piwik 2.0 and it will include Theming in core. Stay tuned in a few months!