<!DOCTYPE html>
<style>
    div.test { font-family: ahem; border: solid; width: 200px; -webkit-column-gap: 0; -webkit-columns: 2; margin: 8px 0; }
    div.test div { display: inline-block; background-color: blue; width: 100px; height: 100px; }
</style>
<div class="test" style="height: 120px;">
    <br><br><br>
    <div style="margin-top: 50px;"></div>
</div>
<div class="test" style="height: 150px;">
    <br><br><br>
    <div style="margin-top: 50px;"></div>
</div>
<div class="test" style="height: 160px;">
    <br><br><br>
    <div style="margin-top: 50px;"></div>
</div>