Learn CSS Flexbox by Building a Photo Gallery - Step 10

Tell us what’s happening:
Describe your issue in detail here.
dont seem to understand why it has refused to pass, please i need help
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;
text: #fff;
border-bottom: 4px solid #fdb347;
}

.gallery img {
  width: 100%;
  max-width: 350px;
  height: 300px;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Challenge: Learn CSS Flexbox by Building a Photo Gallery - Step 10

Link to the challenge:

Check your css code. You’re missing an ending curly bracket.

you are missing a closing bracket in one of your css selectors