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add , adds wrapper element around background images/videos/iframes

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Hakim El Hattab 2018-04-27 15:53:02 +02:00
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@ -624,12 +624,13 @@ All CSS color formats are supported, like rgba() or hsl().
#### Image Backgrounds
By default, background images are resized to cover the full page. Available options:
| Attribute | Default | Description |
| :--------------------------- | :--------- | :---------- |
| data-background-image | | URL of the image to show. GIFs restart when the slide opens. |
| data-background-size | cover | See [background-size](https://developer.mozilla.org/docs/Web/CSS/background-size) on MDN. |
| data-background-position | center | See [background-position](https://developer.mozilla.org/docs/Web/CSS/background-position) on MDN. |
| data-background-repeat | no-repeat | See [background-repeat](https://developer.mozilla.org/docs/Web/CSS/background-repeat) on MDN. |
| Attribute | Default | Description |
| :------------------------------- | :--------- | :---------- |
| data-background-image | | URL of the image to show. GIFs restart when the slide opens. |
| data-background-size | cover | See [background-size](https://developer.mozilla.org/docs/Web/CSS/background-size) on MDN. |
| data-background-position | center | See [background-position](https://developer.mozilla.org/docs/Web/CSS/background-position) on MDN. |
| data-background-repeat | no-repeat | See [background-repeat](https://developer.mozilla.org/docs/Web/CSS/background-repeat) on MDN. |
| data-background-content-opacity | 1 | Opacity of the background image on a 0-1 scale. 0 is transparent and 1 is fully opaque. |
```html
<section data-background-image="http://example.com/image.png">
<h2>Image</h2>
@ -642,12 +643,13 @@ By default, background images are resized to cover the full page. Available opti
#### Video Backgrounds
Automatically plays a full size video behind the slide.
| Attribute | Default | Description |
| :--------------------------- | :------ | :---------- |
| data-background-video | | A single video source, or a comma separated list of video sources. |
| data-background-video-loop | false | Flags if the video should play repeatedly. |
| data-background-video-muted | false | Flags if the audio should be muted. |
| data-background-size | cover | Use `cover` for full screen and some cropping or `contain` for letterboxing. |
| Attribute | Default | Description |
| :--------------------------- | :------ | :---------- |
| data-background-video | | A single video source, or a comma separated list of video sources. |
| data-background-video-loop | false | Flags if the video should play repeatedly. |
| data-background-video-muted | false | Flags if the audio should be muted. |
| data-background-size | cover | Use `cover` for full screen and some cropping or `contain` for letterboxing. |
| data-background-content-opacity | 1 | Opacity of the background video on a 0-1 scale. 0 is transparent and 1 is fully opaque. |
```html
<section data-background-video="https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.mp4,https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.webm" data-background-video-loop data-background-video-muted>