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They are their own unordered list. Each individual list has a gap after it so there is one above and below. I couldn't say why it is that way but that is the way it is designed.

These gaps.
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I see them. Look at the source of the web page. That is css making those gaps. Everywhere you see a gap a new list begins. I don't know why they are all their own lists but they are.

Okay, so I am not crazy : )