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# Fallback Image

A valid `<picture>` tag must contain an `<img>` tag, and a valid `<img>` tag
must contain a `src` with a single image. We call this the 'fallback' image.

## Fallback Width

_Format:_ `fallback_width: (integer)`

_Example:_ `fallback_width: 800`

_Default_: `800`

Width of the fallback image.

## Fallback Format

_Format:_ `fallback_format: (format)`

_Example:_ `fallback_format: jpg`

_Default_: `original`

Format of the fallback image.

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
jekyll_picture_tag-1.14.0	docs/users/presets/fallback_image.md
jekyll_picture_tag-1.13.0	docs/users/presets/fallback_image.md
jekyll_picture_tag-1.12.0	docs/users/presets/fallback_image.md