Don't know what's wrong with this

I put the img tags in #gallery, but it’s not taking my input
Describe your issue in detail here.

  **Your code so far**
/* file: index.html */
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Photo Gallery</title>
  <link rel="stylesheet" href="./styles.css">
</head>
<body>
  <div class="header">
    <h1>CSS FLEXBOX PHOTO GALLERY</h1>
  </div>
  <div id="gallery">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
    <img src="" alt="">
  </div>
</body>
</html>
/* file: styles.css */

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.66 Safari/537.36 Edg/103.0.1264.44

Challenge: Step 5

Link to the challenge:

They ask you to create 10 <img> elements