css/css-ui/outline-009.html

<!doctype html>
<html lang=en>
  <meta charset=utf-8>
  <title>CSS-UI test: computed values ouf outline-width when outline-style is none</title>
  <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net">
  <meta name=flags content="">
  <meta name=assert content="outline-width computes to 0 when outline-style is none">
  <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 {
  outline-width: 10px;
  outline-style: none;

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

  outline-width: inherit;
  outline-style: solid;
  outline-color: red;
}
</style>

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