nested-rounded-rect.html | Explore in Territory

<!DOCTYPE html>
<div  style="position: relative; overflow: hidden; border-radius: 4px;">
  <div style="position: relative; overflow: hidden; border: 1px solid black; border-radius: 4px 0px 0px 4px; background: lightgray; width: 20px; height: 20px">
  </div>
</div>

chromium/third_party/blink/web_tests/fast/clip/nested-rounded-rect.html