flex-item-position-relative-001-ref.html

<!DOCTYPE html>
<title>Flex items and `position: relative`</title>
<link rel="author" title="Martin Robinson" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-position/#position-property">
<meta name="assert"
  content="Flex items can be positioned with `position: relative` and establish containing blocks for absolutely-positioned descendants." />

<style>
    body {
        margin: 0;
    }
</style>

<div style="position: absolute; background: green; width: 50px; height: 50px; left: 50px; top: 50px"></div>

<div style="position: absolute; background: green; width: 50px; height:50px; left: 100px; top: 100px"></div>

chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/flex-item-position-relative-001-ref.html