background-color-animation-element-not-visible-at-current-viewport-ref.html

<!DOCTYPE html>
<style>
.box {
  width: 100px;
  height: 10000px;
}
.container {
  width: 50px;
  height: 50px;
  background-color: rgb(100, 100, 0);
}
</style>
<body>
  <div class='box'></div>
  <div class='container'></div>
</body>

chromium/third_party/blink/web_tests/external/wpt/css/css-backgrounds/animations/background-color-animation-element-not-visible-at-current-viewport-ref.html