Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/css/css-images/repeating-conic-gradient-ref.html 

<!doctype html>
<meta charset="utf-8">
<style>
  #gradient {
    width: 200px;
    height: 200px;
    background-image: conic-gradient(black 25%, white 0 50%, black 0 75%, white 0);
  }
</style>
<div id="gradient"></div>