curriculum/challenges/english/blocks/learn-more-about-css-pseudo-selectors-by-building-a-balance-sheet/61fd719788899952e67692b9.md
The thead and tbody elements are used to indicate which portion of your table is the header, and which portion contains the primary data or content.
Add a thead and tbody to your first table, below the caption element.
Your first table element should have a thead element.
assert(document.querySelectorAll('table')?.[0]?.querySelector('thead'));
Your first table element should have a tbody element.
assert(document.querySelectorAll('table')?.[0]?.querySelector('tbody'));
Your thead element should be immediately below your caption element.
assert(document.querySelector('caption')?.nextElementSibling?.localName === 'thead');
Your tbody element should be immediately below your thead element.
assert(document.querySelector('thead')?.nextElementSibling?.localName === 'tbody');
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Balance Sheet</title>
<link rel="stylesheet" href="./styles.css">
</head>
<body>
<main>
<section>
<h1>
<span class="flex">
<span>AcmeWidgetCorp</span>
<span>Balance Sheet</span>
</span>
</h1>
<div id="years" aria-hidden="true">
<span class="year">2019</span>
<span class="year">2020</span>
<span class="year">2021</span>
</div>
<div class="table-wrap">
--fcc-editable-region--
<table>
<caption>Assets</caption>
</table>
--fcc-editable-region--
<table>
</table>
<table>
</table>
</div>
</section>
</main>
</body>
</html>