So I’m stuck on what’s the opening tag for u1. I thought that the h3 would have been the opening tag but that’s not it.
**Your code so far**
<html>
<body>
<h1>CatPhotoApp</h1>
<main>
<section>
<h2>Cat Photos</h2>
<!-- TODO: Add link to cat photos -->
<p>Click here to view more <a target="_blank" href="https://freecatphotoapp.com">cat photos</a>.</p>
<a href="https://freecatphotoapp.com"><img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>
</section>
<section>
=
<h2>Cat Lists</h2>
<h3>Things cats love:<u1></u1></h3>
</section>
</main>
</body>
</html>
**Your browser information:**
User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
Challenge: Step 19
Link to the challenge: