Learn CSS Flexbox by Building a Photo Gallery - Step 24

Tell us what’s happening:

Describe your issue in detail here.

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">

<!-- User Editable Region -->

      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/1.jpg" alt="lazy cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/2.jpg" alt="sleepy cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/3.jpg" alt="sad cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/4.jpg" alt=“shy cat”>
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/5.jpg" alt="angry cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/6.jpg" alt="a couple of cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/7.jpg"  alt="hidded cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/8.jpg" alt="cute cat">
      <img src="https://cdn.freecodecamp.org/curriculum/css-photo-gallery/9.jpg" alt="white and black cat">

<!-- User Editable Region -->

    </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;
  border-radius: 10px;
}

.gallery::after {
  content: "";
  width: 350px;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 Edg/116.0.1938.69

Challenge Information:

Learn CSS Flexbox by Building a Photo Gallery - Step 24

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@wzefeng1019
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