How can i cross the step two on responsive web design certification

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <h2>CatPhoto</h1>
</Cat Photos>
</html>

how can i cross the step two on responsive web design certification?

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36 Edg/101.0.1210.39

Challenge: Step 2

Link to the challenge:

Check your tags; is everything closed correctly?