Like when you open a block in which to place the contents of another block?

attaching jsfiddle

How to make :) so when you click on the unit 4, under the blocks opened to a block within the original div (home), which would have affected the contents of the block 2. When you click again on the block 4, the outdoor unit closed. And when you click on an empty space the block would have closed.
Thank you.
April 4th 20 at 00:37
0 answer

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