Background Origin
Controls background positioning relative to borders, padding, and content.
Widely available
This feature is well established and works across many devices and browser versions.
| Class | Style |
|---|---|
bo-bb | background-origin: border-box; |
bo-cb | background-origin: content-box; |
bo-pb | background-origin: padding-box; |
Padding Box
Initial value
The background positioning area extends to the outer edge of the padding, but does not include the border.
<div class="b-3 b-d bc-pb bo-pb bc-indigo-4 bg-indigo d-20 p-2"></div>Border Box
The background positioning area includes the border area.
<div class="b-3 b-d bc-bb bo-bb bc-indigo-4 bg-indigo d-20 p-2"></div>Content Box
The background positioning area is confined to the content area, excluding padding and borders.
<div class="b-3 b-d bc-cb bo-cb bc-indigo-4 bg-indigo d-20 p-2"></div>Using utility variants
Learn how to override existing utilities based on the user's screen size or other factors, such as hover states.
Targeting different viewports
You can combine responsive breakpoints like sm:bo-*, md:bo-*, lg:bo-*, and xxl:bo-* to allow targeting specific utilities in different viewports.
Targeting hover states
Alternatively, you can apply :hover by using h:bo-* utility to override elements and change their values when hovering over them.