Blitz - WPT: flexbox-ignores-first-letter.html

wpt / css / css-flexbox / flexbox-ignores-first-letter.html

Data from commit:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)

Subtest	Status	Message
.container 1	PASS
.container 2	PASS
.container 3	PASS
.container 4	PASS
.container 5	PASS
.container 6	PASS
.container 7	PASS
.container 8	PASS
.container 9	PASS
.container 10	PASS
.container 11	PASS
.container 12	PASS

Enable JavaScript in test iframe

/css/css-flexbox/flexbox-ignores-first-letter.html

<!DOCTYPE html>
<link rel="help" href="">
<link rel="help" href="http://www.w3.org/TR/css3-selectors/#first-letter">
<meta name="assert" content="">
<style>
  body { line-height: 20px; }
  .flexbox { display: flex; }
  .inline-flexbox { display: inline-flex; }
  .flexbox-first-letter::first-letter { line-height: 100px; color: red; }
  .container-first-letter::first-letter { line-height: 200px; color: green; }
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>

<body onload="checkLayout('.container');">

<div id="log"></div>

<div class="container">
  <div class="flexbox flexbox-first-letter">
    <div class="item" data-expected-height=20>The first item.</div>
    <div class="item" data-expected-height=20>The second item.</div>
  </div>
</div>

<div class="container">
  <div class="inline-flexbox flexbox-first-letter">
    <div class="item" data-expected-height=20>The first item.</div>
    <div class="item" data-expected-height=20>The second item.</div>
  </div>
</div>

<div class="container">
  <div class="flexbox flexbox-first-letter" data-expected-height=20>
    Anonymous item.
  </div>
</div>

<div class="container">
  <div class="inline-flexbox flexbox-first-letter" data-expected-height=20>
    Anonymous item.
  </div>
</div>

<div class="container container-first-letter">
  <div class="flexbox flexbox-first-letter">
    <div class="item" data-expected-height=20>The first item.</div>
    <div class="item" data-expected-height=20>The second item.</div>
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="inline-flexbox flexbox-first-letter">
    <div class="item" data-expected-height=20>The first item.</div>
    <div class="item" data-expected-height=20>The second item.</div>
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="flexbox flexbox-first-letter" data-expected-height=20>
    Anonymous item.
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="inline-flexbox flexbox-first-letter" data-expected-height=20>
    Anonymous item.
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="flexbox">
    <div class="item" data-expected-height=20>The first item.</div>
    <div class="item" data-expected-height=20>The second item.</div>
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="inline-flexbox">
    <div class="item" data-expected-height=20>The first item.</div>
    <div class="item" data-expected-height=20>The second item.</div>
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="flexbox" data-expected-height=20>
    Anonymous item.
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>

<div class="container container-first-letter">
  <div class="inline-flexbox" data-expected-height=20>
    Anonymous item.
  </div>
  <div data-expected-height=20>Out of flexbox.</div>
</div>
</body>