Outline Width

Set the width for an element's outline.

Widely available

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

Chrome

Edge

Firefox

Safari

Usage

<div class="d-g g-16 gtc-1 sm:gtc-3">
  <div class="w-16 h-16 bc-indigo oc-indigo bw-1 oo-1 os-s ow-1"></div>
  <div class="w-16 h-16 bc-indigo oc-indigo bw-1 oo-1 os-s ow-2"></div>
  <div class="w-16 h-16 bc-indigo oc-indigo bw-1 oo-1 os-s ow-3"></div>
</div>

Responsiveness

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

Target viewport sizes with breakpoint prefixes.

sm:ow-*

Small≥640px

md:ow-*

Medium≥768px

lg:ow-*

Large≥1024px

xxl:ow-*

Extra Large≥1536px

Hover State

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:ow-*

Negative Values

Use negative variants to apply negative outline width values.

Use the -- syntax to apply negative numeric values.