css/css-values/attr-namespace-non-existing.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#attr-notation">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
.a {
   background: red;
   height: 50px;
   width: 100px;
}

.attr {
  background: attr(foo|bar type(*), green);
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="a attr" bar="red"></div>
<div class="a attr"></div>