chromium/third_party/blink/web_tests/fast/dom/HTMLMeterElement/meter-element.html

<!DOCTYPE html>
<html>
<body>
<meter min=10 value=30 max=100>30%</meter>
<meter min=0 value=70 max=100 style="width:10px; height:60px; writing-mode: vertical-lr;">70%</meter>
<meter min=0 value=70 max=100 style="width:10px; height:60px; writing-mode: vertical-lr; direction: rtl">70%</meter>

<br>

<div style="writing-mode:sideways-lr; display:inline-block; margin-inline-end:3em">
sideways-lr:
<ul>
  <li><meter min="0" max="100" low="30" high="60" optimum="75" value="25"></meter>
  <li><meter min="0" max="100" low="30" high="60" optimum="75" value="45"></meter>
  <li><meter min="0" max="100" low="30" high="60" optimum="75" value="75"></meter>
  <li dir=rtl><meter min="0" max="100" low="30" high="60" optimum="75" value="25"></meter>
  <li dir=rtl><meter min="0" max="100" low="30" high="60" optimum="75" value="45"></meter>
  <li dir=rtl><meter min="0" max="100" low="30" high="60" optimum="75" value="75"></meter>
</ul>
</div>

<div style="writing-mode:sideways-rl; display:inline-block; margin-inline-end:3em">
sideways-rl:
<ul>
  <li><meter min="0" max="100" low="30" high="60" optimum="75" value="25"></meter>
  <li><meter min="0" max="100" low="30" high="60" optimum="75" value="45"></meter>
  <li><meter min="0" max="100" low="30" high="60" optimum="75" value="75"></meter>
  <li dir=rtl><meter min="0" max="100" low="30" high="60" optimum="75" value="25"></meter>
  <li dir=rtl><meter min="0" max="100" low="30" high="60" optimum="75" value="45"></meter>
  <li dir=rtl><meter min="0" max="100" low="30" high="60" optimum="75" value="75"></meter>
</ul>
</div>

</body>
</html>