.demo-gallery a{
  display: block;
  overflow: hidden;
  position: relative;
  float: left;
  height: 230px;
  /*height: 100%;*/
  width: 100%;
}
.demo-gallery a img{
  -webkit-transition: -webkit-transform 0.15s ease 0s;
  -moz-transition: -moz-transform 0.15s ease 0s;
  -o-transition: -o-transform 0.15s ease 0s;
  transition: transform 0.15s ease 0s;
  -webkit-transform: scale3d(1, 1, 1);
  transform: scale3d(1, 1, 1);
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.demo-gallery a:hover img{
  -webkit-transform: scale3d(1.1, 1.1, 1.1);
  transform: scale3d(1.1, 1.1, 1.1);
}
.demo-gallery .min-img a img{
  height: 100px;
}