Learn the CSS Box Model by Building a Rothko Painting - Step 1 - aWhDjO5MIxj3rnJzsHHz8

is this a freeCodeCamp bug?
He takes it as wrong and tells me that the body should go after the head

  **My code**
<!DOCTYPE html>
<html lang="en">
<head>

</head>

<body>  

</body>
</html>

  **Your browser information:**

User Agent is: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0

Challenge: Learn the CSS Box Model by Building a Rothko Painting - Step 1

Link to the challenge:

Your code passes the test for me. Trying refreshing the page and clicking Check the code again.