.thumbnail {
  opacity: 0.7;
  margin-bottom: 0px;
  padding: 0px;
  }
  
.thumbnail:hover {
  opacity: 1;
  }
  
.hovereffect {
/*width:100%;*/
height:100%;
float:left;
overflow:hidden;
position:relative;
text-align:center;
cursor:default;
}

.hovereffect img {
display:block;
position:relative;
-webkit-transition:all .4s linear;
transition:all .4s linear;
overflow:hidden;
}

.hovereffect:hover img {
-ms-transform:scale(1.2);
-webkit-transform:scale(1.2);
transform:scale(1.2);
overflow:hidden;
}