gistfile1.txt

#home-feature .image img {
  position: relative;
  top: 0;
  left: 0;
  transition: all 0.2s ease-in-out;
  -moz-transition: all 0.2s ease-in-out;
  -webkit-transition: all 0.2s ease-in-out;
}
#home-feature .image:hover img {
  top: -5%;
  left: -5%;
  width: 110%;
  height: 110%;
}

<div class="image">
	<img src="images/exhibition.jpg" alt="" width="326" height="260" />
	<h3>upcoming exhibitions</h3>
</div>