Outline Width

Set the width for an element's outline.

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

Chrome

Edge

Firefox

Safari

ow-0

outline-width: 0;

ow-1

outline-width: 1px;

ow-2

outline-width: 2px;

ow-3

outline-width: 3px;

ow-4

outline-width: 4px;

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

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-*

Use negative variants to apply negative outline width values.

Use the -- syntax to apply negative numeric values.

Syntax:ow--*