1. No, not technically. However, due to the lightweight nature of our CSS, the difference would be very small if we went that route.
2. No mechanism, but we’re doing our best to minimize the amount of CSS the theme requires. In 3.0, we’ve reduced it by ~10kb vs now. If you compare our file sizes to any other theme, you’ll see the work we’re putting in here.
3. The theme itself shouldn’t be negatively affecting these. If you’re having trouble with them, feel free to open a topic and we’ll take a look.