Function fontFace

fontFace(family, src, weight?, style?, display?): string
CSS mixin for defining a @font-face rule.

Example
```
fontFace('Roboto', require('fonts/Roboto.ttf')) // Returns...
```
```
[at]font-face {
  font-family: 'Roboto';
  src: url('fonts/Roboto.ttf') format('truetype');
  font-style: normal;
  font-weight: 400;
  font-display: auto;
}
```
Parameters
- family: string
  
  Font family.
- src: string
  
  File path, the format is automatically inferred.
- Optional weight: FontWeight
  
  Font weight, automatically inferred if unspecified.
- Optional style: FontStyle
  
  Font style, automatically inferred if unspecified.
- Optional display: FontDisplay
  
  Font display, automatically inferred if unspecified.
Returns string
Generated CSS rules.
- Defined in core/typography.ts:162