.item {
  position: relative;
  
  
  margin: 2%;
  overflow: hidden;
  width: 100%;//280px;
}
.item img {
  max-width: 100%;
  
  -moz-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.item:hover img {
  -moz-transform: scale(1.2);
  -webkit-transform: scale(1.2);
  transform: scale(1.2;
}