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;

Prefix a class with a breakpoint to apply it from that width up.

Prefix a class with a state to apply it only while that state matches.