.img-zoom {
display: inline-block;
width: 100%;
height: 100%;
position: relative;
overflow: hidden;
}
.img-zoom img {
-webkit-transform: scale(1.04);
-ms-transform: scale(1.04);
transform: scale(1.04);
-webkit-transition: 0.4s ease;
transition: 0.4s ease;
margin: 0px 20px;
}
.img-zoom img:hover {
-webkit-transform: scale(1.21);
-ms-transform: scale(1.21);
transform: scale(1.21);
}