chromium/third_party/blink/web_tests/paint/invalidation/outline/focus-ring-for-anchor1.html

<!DOCTYPE html>
<style>
  body {
    line-height: 20px;
  }
  a {
    width: 80px;
    height: 80px;
    outline: red auto thin;
    background: yellow;
  }
  div {
    position: absolute;
    width: 80px;
    height: 80px;
    background: yellow;
  }
  div.test_div {
    top: 40px;
    left: 40px;
  }
</style>

<a href="#">Click
  <div class="test_div" style="background-color: blue;">
    <div class="test_div" style="background-color: green;"></div>
  </div>
</a>

<a href="#" style="display: block; margin-top:160px">Click
  <div class="test_div" style="background-color: blue; top:230px">
    <div class="test_div" style="background-color: green; top:40px"></div>
  </div>
</a>

<div style="top: 380px; outline: red auto thin;">Click
  <div class="test_div" style="background-color: blue;">
    <div class="test_div" style="background-color: green;"></div>
  </div>
</div>