Learn the CSS Box Model by Building a Rothko Painting - Step 2

Tell us what’s happening:
It is not taking my meta tag and I don’t understand why.

   **Your code so far**
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Rothko Painting</title>
 
</head>
<body>
</body>
</html>
   **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0

Challenge: Learn the CSS Box Model by Building a Rothko Painting - Step 2

Link to the challenge:

It was the darkreader extension.