different-writing-modes.html | Explore in Territory

<!DOCTYPE html>
<link rel="match" href="reference/different-writing-modes-ref.html">
<style>
frame {
  writing-mode: vertical-rl;
}
</style>
<frameset cols="50%,*" rows="50%,*">
 <frame src="resources/green.html"></frame>
 <frame src="resources/green.html"></frame>
 <frame></frame>
</frameset>

chromium/third_party/blink/web_tests/external/wpt/html/rendering/non-replaced-elements/the-frameset-and-frame-elements/different-writing-modes.html