.effectfront {
  border: none;
  margin: 0 auto;
  cursor:pointer;
}
.effectfront:hover {
  -webkit-transform: scale(2.5);
  -moz-transform: scale(2.5);
  -o-transform: scale(2.5);
  transform: scale(2.5);
  transition: all 0.3s;
  -webkit-transition: all 0.3s;
}