body {
}

.imgMain{
    
   position: relative;
   top: 50%;
   -webkit-transform: translateY(-50%);
   -ms-transform: translateY(-50%);
   transform: translateY(-50%);
}
.divMain {
  
   width:600px;height:460px; text-align:center; vertical-align:middle
}
.thumbnail {
   
   cursor:pointer;
   position: relative;
   vertical-align: middle;
   }
.divThumb {
 
	height:56px;
	line-height:52px;
	width:70px;	
    background-color:#FFFFFF;
	text-align: center;
	border: solid 1px;
	vertical-align: middle;
    margin:5px 5px 5px 5px;
    display: table-cell;
}