Border Bottom Width

Set the bottom border width for an element.

This feature is well established and works across many devices and browser versions.

Chrome

Edge

Firefox

Safari

Usage

Apply a 0.25 rem bottom border width to an element.

<div class="w-16 h-16 bc-indigo bs-s bbw-4"></div>

Use breakpoint prefixes to target different screen sizes. Styles apply from the breakpoint & up.

Target viewport sizes with breakpoint prefixes.

sm:bbw-*

Small≥640px

md:bbw-*

Medium≥768px

lg:bbw-*

Large≥1024px

xxl:bbw-*

Extra Large≥1536px

Apply styles conditionally on hover using the h: prefix.

Add the h: prefix to apply styles only when the user hovers over the element.

Syntax:h:bbw-*

Use logical properties to adapt to the document's writing mode & direction.

Set the logical block-end border width for an element.

This feature is well established and works across many devices and browser versions.

Chrome

Edge

Firefox

Safari

<div class="w-16 h-16 bc-indigo bs-s bbew-4"></div>