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add --slide-width/height css variables

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This commit is contained in:
Hakim El Hattab 2020-06-01 16:00:54 +02:00
parent bd19860b4d
commit 942304d862
1 changed files with 4 additions and 0 deletions
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4
js/reveal.js
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@ -421,6 +421,10 @@ export default function( revealElement, options ) {
dom.wrapper.setAttribute( 'data-transition-speed', config.transitionSpeed );
dom.wrapper.setAttribute( 'data-background-transition', config.backgroundTransition );
// Expose our configured slide dimensions as custom props
dom.viewport.style.setProperty( '--size-width', config.width + 'px' );
dom.viewport.style.setProperty( '--size-height', config.height + 'px' );
if( config.shuffle ) {
shuffle();
}