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I dont understand
This question i dont understand.
Your task is to change the existing code, and you only have to do minor edits to pass the challenge.
In the first one, you need to change the spacing from 150 pixels to 20 pixels.
To do this, you have to take a look at the code and find where it says
150 and change that to
20. That's all there is to it.
Oh, thanks :)