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data-background-opacity wrong doc #2853

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feroda opened this issue Nov 25, 2020 · 2 comments
Open

data-background-opacity wrong doc #2853

feroda opened this issue Nov 25, 2020 · 2 comments

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@feroda
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feroda commented Nov 25, 2020

The doc of the data-background-opacity attribute in https://revealjs.com/backgrounds/#video-backgrounds is wrong.
The behaviour in my FF is that opacity = 1 is trasparent. Tested it with:

<section data-background-video="https://static.slid.es/site/homepage/v1/homepage-video-editor.mp4" 
        data-background-video-loop data-background-video-muted data-background-opacity="0">
<h2>Video</h2>                                                    
</section>
@chrisladams
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I'm actually not getting any reaction to using data-background-opacity="0.5" It shows opaque no matter what value I give.

@squareclouds
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strange, in my case images and videos work just fine in all tests (quite a few desktop and mobile browsers), also in vertical slides

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