.transform-scale-y:hover{
-webkit-transform: scaleY(2);
-moz-transform: scaleY(2);
-ms-transform: scaleY(2);
-o-transform: scaleY(2);
transform: scaleY(2);
}
.transform-scale-y{
width:200px;
height:100px;
background:pink;
margin:50px;
}