<div id="parent">
<div class="child">child1</div>
<div class="child">child2</div>
<div class="child">child3</div>
</div>
#parent {
background: yellow;
height: 200px;
width: 100%;
display: table;
}
.child {
vertical-align: middle;
display: table-cell;
background: skyblue;
}
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