The link isnt working please help

this link isn’t working https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg .

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  .red-text {
    color: red;
  }

  h2 {
    font-family: Lobster, Monospace;
  }

  p {
    font-size: 16px;
    font-family: Monospace;
  }

  .thick-green-border {
    border-color: green;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
  }

  .smaller-image {
    width: 100px;
  }
</style>

<div class="container-fluid">
  <h2 class="red-text">CatPhotoApp</h2>

  <p>Click here for <a href="#">cat photos</a>.</p>

  <a href="#"><img class="smaller-image thick-green-border" src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back.">
 </a>
 <img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg." class="img-responsive">

  <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="https://freecatphotoapp.com/submit-cat-photo">
    <label><input type="radio" name="indoor-outdoor"> Indoor</label>
    <label><input type="radio" name="indoor-outdoor"> Outdoor</label>
    <label><input type="checkbox" name="personality"> Loving</label>
    <label><input type="checkbox" name="personality"> Lazy</label>
    <label><input type="checkbox" name="personality"> Crazy</label>
    <input type="text" placeholder="cat photo URL" required>
    <button type="submit">Submit</button>
  </form> 
 
</div>

**


<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
 .red-text {
   color: red;
 }

 h2 {
   font-family: Lobster, Monospace;
 }

 p {
   font-size: 16px;
   font-family: Monospace;
 }

 .thick-green-border {
   border-color: green;
   border-width: 10px;
   border-style: solid;
   border-radius: 50%;
 }

 .smaller-image {
   width: 100px;
 }
</style>

<div class="container-fluid">
 <h2 class="red-text">CatPhotoApp</h2>

 <p>Click here for <a href="#">cat photos</a>.</p>

 <a href="#"><img class="smaller-image thick-green-border" src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back.">
</a>
<img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg." class="img-responsive">

 <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="https://freecatphotoapp.com/submit-cat-photo">
   <label><input type="radio" name="indoor-outdoor"> Indoor</label>
   <label><input type="radio" name="indoor-outdoor"> Outdoor</label>
   <label><input type="checkbox" name="personality"> Loving</label>
   <label><input type="checkbox" name="personality"> Lazy</label>
   <label><input type="checkbox" name="personality"> Crazy</label>
   <input type="text" placeholder="cat photo URL" required>
   <button type="submit">Submit</button>
 </form> 

</div>
   **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.88 Safari/537.36

Challenge: Make Images Mobile Responsive

Link to the challenge:

It looks like you might have an extra period at the end of the image URL.