@@ -4449,26 +4449,30 @@ the [Beamer User's Guide] may also be used: `allowdisplaybreaks`,
4449`allowframebreaks`, `b`, `c`, `t`, `environment`, `label`, `plain`,
4449`allowframebreaks`, `b`, `c`, `t`, `environment`, `label`, `plain`,
4450`shrink`, `standout`, `noframenumbering`.
4450`shrink`, `standout`, `noframenumbering`.
4452−Background in reveal.js
4452+Background in reveal.js and beamer
4453−-----------------------
4453+----------------------------------
4455−Background images can be added to self-contained reveal.js slideshows.
4455+Background images can be added to self-contained reveal.js slideshows and
4456+to beamer slideshows.
4457−For the same image on every slide, use the reveal.js configuration
4458+For the same image on every slide, use the configuration
4458−option `parallaxBackgroundImage` either in the YAML metadata block
4459+option `background-image` either in the YAML metadata block
4459−or as a command-line variable. You can also set
4460+or as a command-line variable. (There are no other options in
4460−`parallaxBackgroundHorizontal` and `parallaxBackgroundVertical` the same
4461+beamer and the rest of this section concerns reveal.js slideshows.)
4461−way and must also set `parallaxBackgroundSize` to have your values
4463+For reveal.js, you can instead use the reveal.js-native option
4464+`parallaxBackgroundImage`. You can also set `parallaxBackgroundHorizontal`
4465+and `parallaxBackgroundVertical` the same way and must also set
4466+`parallaxBackgroundSize` to have your values take effect.
4464−To set an image for a particular slide, add
4468+To set an image for a particular reveal.js slide, add
4465`{data-background-image="/path/to/image"}`
4469`{data-background-image="/path/to/image"}`
4466to the first slide-level header on the slide (which may even be empty).
4470to the first slide-level header on the slide (which may even be empty).
4468In reveal.js's overview mode, the parallaxBackgroundImage will show up
4472In reveal.js's overview mode, the parallaxBackgroundImage will show up
4469only on the first slide.
4473only on the first slide.
4471−Other background settings also work on individual slides, including
4475+Other reveal.js background settings also work on individual slides, including
4472`data-background-size`, `data-background-repeat`, `data-background-color`,
4476`data-background-size`, `data-background-repeat`, `data-background-color`,
4473`data-transition`, and `data-transition-speed`.
4477`data-transition`, and `data-transition-speed`.
@@ -4476,7 +4480,7 @@ See the [reveal.js
4476documentation](https://github.com/hakimel/reveal.js#slide-backgrounds)
4480documentation](https://github.com/hakimel/reveal.js#slide-backgrounds)
4477for more details.
4481for more details.
4479−For example:
4483+For example in reveal.js: