Learn HTML by Building a Cat Photo App - Step 1

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

  **Your code so far**
<h1>CatPhotoApp</h1>


  <h1>Hello World</h1>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 1

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