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Fixes #20495: Update heading hierarchy to avoid nested ToC that leads to hiding of entire ToC

This commit is contained in:
Mark Otto 2016-08-21 17:18:38 -07:00
parent 9128c1adff
commit bf056d45be

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@ -11,7 +11,7 @@ Stylize [the HTML5 `<progress>` element](https://developer.mozilla.org/en-US/doc
* Will be replaced with the ToC, excluding the "Contents" header
{:toc}
### Example
## Example
To caption a progress bar, simply add a `<div>` with your caption text, [align the text using a utility class]({{ site.baseurl }}/components/utilities/#text-alignment), and associate the caption with the `<progress>` element using the `aria-describedby` attribute.
@ -33,7 +33,7 @@ To caption a progress bar, simply add a `<div>` with your caption text, [align t
<progress class="progress" value="100" max="100" aria-describedby="example-caption-5"></progress>
{% endexample %}
### IE9 support
## IE9 support
Internet Explorer 9 doesn't support the HTML5 `<progress>` element, but we can work around that.
@ -46,7 +46,7 @@ Internet Explorer 9 doesn't support the HTML5 `<progress>` element, but we can w
</progress>
{% endexample %}
### Contextual alternatives
## Contextual alternatives
Progress bars use some of the same button and alert classes for consistent styles.