Need help step 37 html/css Blance SHEET

Tell us what’s happening:
" You should have an h1 .flex span:first-of-type selector."
I get this error
i give the same class. What is the reason?
proje: Balance Sheet html/css

Your code so far

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Challenge: Step 37

Link to the challenge:

I’m having the same issue. Literally copying and pasting h1 .flex span:first-of-type selector.

Were you able to figure it out?