chromium/third_party/blink/web_tests/external/wpt/css/css-masking/clip-path/clip-path-round-zero-size.html

<!doctype html>
<meta charset="utf-8">
<title>CSS clip path with zero box size</title>
<link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-clip-path">
<link rel="help" href="https://bugzil.la/1785903">
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="match" href="clip-path-round-zero-size-ref.html">
<!-- Allow differences of antialised pixels along rounded edges -->
<meta name="fuzzy" content="maxDifference=0-64;totalPixels=0-100">
<style>
#target {
  margin: 50px;
  height: 0px;
  width: 0px;
  outline: 50px solid lime;
  clip-path: inset(-20px round 5px);
}
</style>
<div id="target"></div>