Note that depending on how they are used, badges may be confusing for users of screen readers and similar assistive technologies. While the styling of badges provides a visual cue as to their purpose, these users will simply be presented with the content of the badge. Depending on the specific situation, these badges may seem like random additional words or numbers at the end of a sentence, link, or button.
Unless the context is clear (as with the "Notifications" example, where it is understood that the "4" is the number of notifications), consider including additional context with a visually hidden piece of additional text.
{% capture example %}
<button type="button" class="btn btn-primary">
Profile <span class="badge badge-light">9</span>
<span class="sr-only">unread messages</span>
</button>
{% endcapture %}
{% include example.html content=example %}
## Contextual variations
Add any of the below mentioned modifier classes to change the appearance of a badge.
{% include callout-warning-color-assistive-technologies.md %}
## Pill badges
Use the `.badge-pill` modifier class to make badges more rounded (with a larger `border-radius` and additional horizontal `padding`). Useful if you miss the badges from v3.