chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/flexbox_justifycontent-start-rtl.html

<!DOCTYPE html>
<title>flexbox | justify-content: start RTL</title>
<link rel="author" title="Adam Argyle" href="mailto:[email protected]">
<link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#justify-content-property">
<link rel="match" href="flexbox_justifycontent-start-rtl-ref.html">
<style>
div {
  background: blue;
  margin: 1em 0;
  border: 1px solid black;
  height: 6em;
  width: 40em;

  direction: rtl;
  display: flex;
  flex-direction: row-reverse;
  justify-content: start;
}
span {
  background: white;
  margin: 0 1em;
  width: 8em;
  height: 2em;
  display: inline-grid;
  place-items: center;

  flex: none;
}
span:nth-child(1) {background: yellow;}
span:nth-child(2) {background: pink;}
span:nth-child(3) {background: lightblue;}
</style>

<div>
  <span>one</span>
  <span>two</span>
  <span>three</span>
</div>

<p>Test passes if order is visually 1, 2, 3 and alignment is to the top right</p>