求解

告诉我们发生了什么:
在此详细描述你的问题。

   **你目前的代码**

<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 src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a><br>
 <a href="#"><img  class="simg-responsive" src="https://bit.ly/fcc-running-cats" 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="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>
   **你的浏览器信息:**

用户代理是: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

挑战: 使图片自适应移动端

挑战的链接:

class=“img-responsive”,img 前面多了个 s。

仔细检查哦