I need help with step 4

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

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <h2>Cat Photos</h2>
  <p>Click here to view more cat photos.</p>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Linux; U; Android 9; TA-1024 Build/PKQ1.181105.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 OPR/62.1.2254.60552

Challenge: Step 4

Link to the challenge:

Can you show us what you tried? Or let us know what is confusing you?