Learn CSS Flexbox by Building a Photo Gallery - Step 2

Tell us what’s happening:
i cant see my errors… please clearly my mistake

  **Your code so far**
<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta name="viewport" content="width=device-width",initial-scale=1>
  <meta charset="UTF-8">
  

</head>
<body>
</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/105.0.0.0 Safari/537.36

Challenge: Learn CSS Flexbox by Building a Photo Gallery - Step 2

Link to the challenge:

You almost got it. The quotes need to encapsulate the entire value of your content attribute.