Is there something wrong with this challenge?

Step 4 of this challenge keeps rejecting my code and I’m not sure why. Wondering if there is something wrong with the challenge itself or if I’m just an idiot.

  **Your code so far**

<!DOCTYPE html>
  <title>Registration Form</title>
  <link rel="stylesheet" type="text/css" href="styles.css">
  **Your browser information:**

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

Challenge: Step 4

Link to the challenge:

The issue has been fixed but may not have made it into production yet.