What's the issue with this code

Tell us what’s happening:

Your code so far
:not(:last-of-type){

border-bottom:3px solid #3b3b4f;

}
WARNING

The challenge seed code and/or your solution exceeded the maximum length we can port over from the challenge.

You will need to take an additional step here so the code you wrote presents in an easy to read format.

Please copy/paste all the editor code showing in the challenge from where you just linked.

Replace these two sentences with your copied code.
Please leave the ``` line above and the ``` line below,
because they allow your code to properly format in the post.

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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36

Challenge: Step 41

Link to the challenge:

you’re missing name of that “html” element that it refers to

checkout “hints” which element name you have to use there, in front of that css definitions block