Unlike other styles: https://github.com/hakimel/reveal.js/blob/1034983cba02aae982bfef0d06b00c816798a894/css/theme/template/theme.scss#L327-L331 The above do not limited to reveal.js scope, so it will affect users' `.background` class.
Unlike other styles:
reveal.js/css/theme/template/theme.scss
Lines 327 to 331 in 1034983
The above do not limited to reveal.js scope, so it will affect users'
.backgroundclass.