Unable to submit

HTML-CSS
#1

Tell us what’s happening:
Unable to run tests it just freezes on running tests I tried to run test on another course but that works just unable to run/submit code here in this question only.

Your code so far


<style>
.red-text {
  color: red;
}
</style>

<h2 class="red-text">CatPhotoApp</h2>
<main>
<p class="red-text">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>

<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 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36.

Challenge: Style Multiple Elements with a CSS Class

Link to the challenge:

#2

Hello and welcome.
Your code seems fine and passes the challenge for me. Reopen your browser and run the code again

#3

Hello, just tried reopening it didnt work, is there any way i can get to the next lesson

#4

Maybe try run it in a different browser. If you want to go to the next challenge you can go here: https://www.freecodecamp.org/learn then click on the challenge you want.

#5