Learn CSS Flexbox by Building a Photo Gallery - Step 18

Tell us what’s happening:
In .gallery section, I gave gap: 16px; and still module not got cleared. So , please check and help me for this.

  **Your code so far**
/* file: index.html */
<!DOCTYPE html>
<html lang="en">
<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>
  <header class="header">
    <h1>css flexbox photo gallery</h1>
  </header>
  <div class="gallery">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/1.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/2.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/3.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/4.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/5.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/6.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/7.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/8.jpg">
    <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/9.jpg">
  </div>
</body>
</html>
/* file: styles.css */
* {
box-sizing: border-box;
}

body {
margin: 0;
font-family: sans-serif;
background: #f5f6f7;
}

.header {
text-align: center;
text-transform: uppercase;
padding: 32px;
background-color: #0a0a23;
color: #fff;
border-bottom: 4px solid #fdb347;
}

.gallery {
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: center;
align-items: center;
 gap: 16px;
max-width: 1400px;
margin: 0 auto;
padding: 20px 10px;
}

.gallery img {
width: 100%;
max-width: 350px;
height: 300px;
object-fit: cover;
}
  **Your browser information:**

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Safari/605.1.15

Challenge: Learn CSS Flexbox by Building a Photo Gallery - Step 18

Link to the challenge:

Hello there.

Please Tell us what’s happening in your own words.

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