Submit button won't work

When I check it looks like a functional button, I can even click it. It says I’m all good except for the functional button part. Don’t know what it means.

Your code so far


<h2>CatPhotoApp</h2>
<main>
  <p>Click here to view more <a href="#">cat photos</a>.</p>
  
  <a href="#"><img src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
  
  <p>Things cats love:</p>
  <ul>
    <li>cat nip</li>
    <li>laser pointers</li>
    <li>lasagna</li>
  </ul>
  <p>Top 3 things cats hate:</p>
  <ol>
    <li>flea treatment</li>
    <li>thunder</li>
    <li>other cats</li>
  </ol>
  <form action="/submit-cat-photo">
    <input type="text" placeholder="cat photo URL">
  </form>

  <button 
  type="submit"> Submit </button>
</main>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36.

Which challenge is this?

@Idontknowhowtocodema carefully read the error message it’s giving you.
Your form should have a button inside it.