<!doctype html>
<html lang=en>
  <meta charset=utf-8>
  <title>CSS-UI test: computed values ouf outline-width</title>
  <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net">
  <meta name=flags content="">
  <meta name=assert content="outline-offset values compute to absolute lengths">
  <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>
body > div {
  width: 100px;
  height: 100px;

  font-size: 10px;

  /* stacking  of outlines is undefined, so we cannot reliably to have an outline hide another outline.
   We are using a border instead,
   but still need to create an (invisible) outline to make sure that outline-offset does not compute to 0. */
  outline: solid 5px transparent;
  outline-offset: 1em;
  padding: 10px;
  border: solid 5px red;
  margin-left: -15px;
  margin-top: -15px;

}
div > div {
  width: 100px;
  height: 100px;
  background: green;

  outline: solid 5px white;
  font-size: 5px;
  outline-offset: inherit;
}
</style>

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