18f8601d29
- Renames .embed-responsive-XbyY classes to .embed-responsive-XxY - Simplifies the Sass map to just be key and value, ratio and percentage - Builds .embed-responsive-* modifiers with CSS variables - Updates docs to show power of CSS variables - Add notes to the Migration guide
2.6 KiB
layout, title, description, group, toc
| layout | title | description | group | toc |
|---|---|---|---|---|
| docs | Embeds | Create responsive video or slideshow embeds based on the width of the parent by creating an intrinsic ratio that scales on any device. | helpers | true |
About
Rules are directly applied to <iframe>, <embed>, <video>, and <object> elements. You can also use an explicit use an explicit descendant class, .embed-responsive-item, when you want to match the styling for other attributes. Aspect ratios are declared in a Sass map and included in each class via CSS variable, which also allows custom aspect ratios.
{{< callout info >}}
Pro-Tip! You don't need frameborder="0" on your <iframe>s as we override that for you in [Reboot]({{< docsref "/content/reboot" >}}).
{{< /callout >}}
Example
Wrap any embed, like an <iframe>, in a parent element with .embed-responsive and an aspect ratio class. As mentioned above, the .embed-responsive-item isn't strictly required, but we encourage it.
{{< example >}}
Aspect ratios
Aspect ratios can be customized with modifier classes. By default the following ratio classes are provided:
{{< example html >}}
Custom ratios
Each .embed-responsive-* class includes a CSS custom property (or CSS variable) in the selector. You can override this CSS variable to create custom aspect ratios on the fly with some quick math on your part.
For example, to create a 2x1 aspect ratio, set --aspect-ratio: 50% on the .embed-responsive.
{{< example html >}}
Sass map
Within _variables.scss, you can change the aspect ratios you want to use. Here's our default $embed-responsive-aspect-ratios map. Modify the map as you like and recompile your Sass to put them to use.
{{< scss-docs name="embed-responsive-aspect-ratios" file="scss/_variables.scss" >}}