chromium/third_party/blink/web_tests/external/wpt/css/css-lists/counters-003.html

<!doctype html>
<title>CSS Lists and Counters: counters(c, &quot;.", upper-roman)</title>
<link rel="help" href="https://drafts.csswg.org/css-lists/#inheriting-counters">
<link rel="match" href="counters-003-ref.html">
<meta name="assert" content="counters are not inherited from the previous sibling, when can be inherited from the ancestor">
<style type="text/css">
body, #test span:first-child { counter-reset: c; }
p, #test span { counter-increment: c; }
#test span::before { content: counters(c, ".", upper-roman); }
</style>
<p>The following two lines should look the same:</p>
<div id="test">
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span style="counter-reset: c 48"></span>
  <span></span>
  <span style="counter-reset: c 388"></span>
  <span></span>
  <span style="counter-reset: c 3488"></span>
  <span></span>
  <span></span>
</div>
<div>
  <span>I.I</span>
  <span>II</span>
  <span>III</span>
  <span>IV</span>
  <span>V</span>
  <span>VI</span>
  <span>VII</span>
  <span>VIII</span>
  <span>IX</span>
  <span>X</span>
  <span>XI</span>
  <span>XII</span>
  <span>XII.XLIX</span>
  <span>XIII</span>
  <span>XIII.CCCLXXXIX</span>
  <span>XIV</span>
  <span>XIV.MMMCDLXXXIX</span>
  <span>XV</span>
  <span>XVI</span>
</div>