You can set style.height of Spin to change spinner position.

http://codepen.io/anon/pen/ggxjor?editors=001

I changed this example to real world one where I have long content without predefined height and this approach doesn't work.
http://codepen.io/anon/pen/rjzrKq?editors=001

Just fix the height: http://codepen.io/anon/pen/jyLvMv?editors=001

I see that bottom text is in the wrong position but it doesn't matter because this approach can't show spinner in the position when the user is scrolled.

If user trigger spinner in the middle of that block user won't see it. It should be a dynamic approach in the spinner component by the option.

Use className is a better way: http://codepen.io/anon/pen/rjzrKq?editors=0110

I will consider that and you can try to propose a PR if you have nice solution.

I mediocre frontend developer and even worse html\css developer. I just use your nice components.

Added a max-height limit for big height content.

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