Number of blocks included?

<div id="outer" style="height: 200px;">
    <div id="inner1" style="position: static;margin: 1px;border: 2px;padding: 3px;height: 10px;"></div>
    <div id="inner2" style="position: static;margin: 1px;border: 2px;padding: 3px;height: 10px;"></div>
</div>
The

code is as above. How many containing blocks have been generated by div.outer , and how much is its height ?

Nov.27,2021
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