Incorrectly correcting me

Tell us what’s happening:
Describe your issue in detail here.
ok so i gather that a browser extention may be preventing the code from working
but can someone direct me to a browser that allows the code to work? its bad enough that i have had to recreate my account using the same email as i have used before and start again (i dont mind the refresher) but now using the same browser nothing works???

  **Your code so far**

<style>
h2 {
  color: blue;
}
</style>
<main>
<p>Click here to view more <a href="#">cat photos</a>.</p>

<a href="#"><img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>

<div>
  <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>
</div>

<form action="https://freecatphotoapp.com/submit-cat-photo">
  <label><input type="radio" name="indoor-outdoor" checked> Indoor</label>
  <label><input type="radio" name="indoor-outdoor"> Outdoor</label><br>
  <label><input type="checkbox" name="personality" checked> Loving</label>
  <label><input type="checkbox" name="personality"> Lazy</label>
  <label><input type="checkbox" name="personality"> Energetic</label><br>
  <input type="text" placeholder="cat photo URL" required>
  <button type="submit">Submit</button>
</form>
</main>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0

Challenge: Use CSS Selectors to Style Elements

Link to the challenge:

Looks like you are styling an h2 but there is no h2 in your html. You were meant to just delete the style but you deleted the whole h2 element.

ok ill try again, thanks for the response

ok got it, first time i done this a few months ago now i got first time… this time it totally stumped me. losing it!