<!DOCTYPE html>
<link rel="author" title="David Shin" href="mailto:dshin@mozilla.com">
<meta name="assert" content="Ensure that specifying baseline-source on inline boxes have no effect.">
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#baseline-source">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1792501">
<link rel="stylesheet" href="/fonts/ahem.css">
<link rel="match" href="baseline-source-inline-box-ref.html">
<style>
div {
  border: 1px solid;
}
span {
  baseline-source: first;
}
</style>
<div>
  <span>a</span>
</div>
