Edit in JSFiddle

#esnekKutuKapsul{
  display: box;
  display:-webkit-box;
  display:-moz-box;
  box-orient:vertical;
  -moz-box-orient:vertical;
  -webkit-box-orient:vertical;
  width:200px;
  height:600px;
  border:1px solid #03C;
}

.esnekKutu{
  background-color:#999999;
  height:190px;
  margin-bottom:15px;
}

.esnekKutu:last-child{
  margin-bottom:0;
}
<div id="esnekKutuKapsul">
    <div class="esnekKutu">Esnek Kutu1</div>
    <div class="esnekKutu">Esnek Kutu1</div>
    <div class="esnekKutu">Esnek Kutu1</div>
</div>