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wpt/css/css-ui/outline-015.html at master · web-platform-tests/wpt · GitHub

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<!doctype html>

<html lang=en>

<meta charset=utf-8>

<title>CSS-UI test: outline-offset width negative values — long box</title>

<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net">

<meta name=flags content="should">

<meta name=assert content="Negative values on outline-offset should not cause the height and the width of outside of the shape drawn by the outline to become smaller than twice the computed value of the outline-width property, applying this constrain independenly in each direction.">

<link rel="match" href="../reference/ref-filled-green-100px-square.xht">

<link rel=help href="https://drafts.csswg.org/css-ui-3/#outline-props">

<style>

div {

width: 100px;

height: 100px;

/* The borders makes the box rectangular rather than square */

border-top: solid white 50px;

border-bottom: solid white 50px;

background: red;

outline: solid 50px green;

outline-offset: -100px;

margin-top: -50px;

}

</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<div></div>

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