Under the hood, Fancy is powered by an enhanced fork of Emotion. It can do everything that Emotion can!
No additional emotion dependencies are needed if you've installed Fancy. Everything needed to start styling, theming, scoping, and yes even injecting into iFrames, is provided by a single library.
Below is a detailed list of everything you can import from Fancy:
import styled, {
FrameProvider,
ScopeProvider,
ThemeProvider,
createStyled,
// Everything below comes from Emotion
flush,
hydrate,
cx,
merge,
getRegisteredStyles,
injectGlobal,
keyframes,
css,
cssWithScope, // A custom enhanced function, not part of Emotion ;)
sheet,
caches,
} from '@helpscout/fancy'