chromium/third_party/blink/web_tests/external/wpt/css/css-writing-modes/forms/radio-appearance-native-vertical-lr-baseline.optional.html

<!DOCTYPE html>
<link rel="author" title="Aditya Keerthi" href="https://github.com/pxlcoder">
<link rel="help" href="https://html.spec.whatwg.org/#radio-button-state-(type=radio)">
<link rel="help" href="https://drafts.csswg.org/css-writing-modes-4/#block-flow">
<title>Test baseline alignment of radio buttons in vertical-lr writing mode.</title>
<meta charset="utf-8">
<link rel="match" href="radio-appearance-native-vertical-lr-baseline.optional-ref.html">
<style>

label {
    color: red;
    background-color: red;
    margin-top: -30px;
}

</style>
<p>The radio button should be center-aligned with the label text since it is non-alphabetic.</p>
<div style="writing-mode: vertical-lr">
    <input type="radio" id="radio" checked>
    <label for="radio">こんにちわ</label>
</div>

<br>

<p>The radio button should be left-aligned with the label text since it has text-orientation sideways.</p>
<div style="writing-mode: vertical-lr; text-orientation: sideways;">
  <input type="radio" id="radio" checked>
  <label for="radio">Baseline</label>
</div>