<meta> tags do not work properly in Firefox

In the Colored Markers CSS project course, starting with step 4 (adding meta tags), the code does not pass when running Firefox. The error states that you must have one (or two, etc) meta tags. The exact same code passes correctly using Chrome. Code is as follows for step 5:

<!DOCTYPE html>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Colored Markers</title>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:101.0) Gecko/20100101 Firefox/101.0

Challenge: Step 5

Link to the challenge:

Hmm, I just tried your code in step 5 and it passed for me with FF 100 on both Linux and Windows 11. Are you still able to replicate this? You might open up the browser console and see if you are getting any errors there.

I had the same issue but it was the Dark Reader add-on being enabled. Disabling it, then either refreshing or re-entering the content step allowed me to pass.

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