chromium/third_party/blink/web_tests/external/wpt/compat/webkit-linear-gradient-diff-unprefixed-ref.html

<!DOCTYPE html>
<title>Compatibility Test Reference</title>
<style>
  #square {
    height: 100px;
    width: 100px;
    background-image: linear-gradient(to bottom, orange, blue);
  }
</style>
<p>You should see a square, orange at the top, blue at the bottom.</p>
<div id="square"></div>