html - CSS vertical alignment table method has no effect -


i need vertically align box css without using display: inline-block. don't know height of elements used way here described (css table method).

<div style="background-color: black">     <div style="background-color: aqua; display: table; margin: auto;">         <div style="background-color: aliceblue; width: 200px; float: left; display: table-cell; vertical-align: middle;">             <p>a</p>             <p>a</p>             <p>a</p>         </div>         <div style="background-color: green; height: 20px; width: 100px; float: left; display: table-cell; vertical-align: middle;"></div>         <div style="background-color: aliceblue; width: 250px; float: left; display: table-cell; vertical-align: middle;">             <p>b</p>             <p>b</p>             <p>b</p>             <p>b</p>         </div>     </div> </div>

however, vertical alignment on test page has no effect @ all. according computed css of these divs display value set block! how can make these divs appear in middle?

erase float:left divs - display:table-cell , float:left makes no sense

codepen: http://codepen.io/anon/pen/orrndw

addition after comment:

like this: codepen.io/anon/pen/nrxalo ? inserted /nested div in each table-cell contains smaller elements, , assigned background-color table element itself.


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