[bug?]CSS grid: Create Grids within Grids---automatically done

when I was doing this challenge, CSS grid: Create Grids within Grids, I just found out that whatever I typed in the code, the test will pass. I tried to Reset All Code, but it still didn`t work. no matter what you type or just type nothing, if you click “Run the Tests”, it would pass. this lesson has been labeled as checked though.

I am not sure if it only happened to me or not, but I will report it anyway.


btw I searched it in the forum but it seems nobody reported it.

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