div{width:200px;overflow: hidden}
div img{display:block;transition:0.2s; -moz-transition:0.2s;-webkit-transition:0.2s;-o-transition:0.2s;}
div:hover img{  -webkit-transform: scale(1.5);
    -moz-transform: scale(1.5);
    transform: scale(1.5);}