OXmbNK

index.html

<div id="container">
  <img src="http://i.imgur.com/ls5qG.jpg">
</div>

style.css

#container {
  width: 300px;
  height: 300px;
  margin: 10px auto;
  border: 1px solid black;
  border-radius: 10px;
  overflow: hidden;
}

#container img {
  width: 100%;
  height: 100%;
  transition: all 1s ease;
}
#container img:hover {
  transform: scale3D(2, 2, 1);
}