HTML

 <div class="hovergallery21"><img src="http://phototive.com/uploads/297/38364/zlos8yqu0lcc1jui.gif" alt="" width="230" height="250" /><img src="http://www.ephotobay.com/image/2-469.gif" alt="" width="230" height="250" /></div>

CSS

.hovergallery21 img{ 
border: 1px solid #ccc; 
border-radius: 20px; 
box-shadow: 0 0 0 50px 50px rgba(50, 160, 50, 0.2);
-webkit-transform:scale(0.9); 
-moz-transform:scale(0.9); 
-o-transform:scale(0.9);
-webkit-transition-duration: 0.3s; 
-moz-transition-duration: 0.3s;
-o-transition-duration: 0.3s; 
opacity: 0.8; 
transform: translateZ(140px);
margin:5px 1px 5px 1px; 

}
.hovergallery21 img:hover{
-webkit-box-shadow: 1px 2px 10px #000;
-moz-box-shadow: 1px 2px 10px #000;
box-shadow: 1px 2px 10px #000; 
border: 1px dotted #000;
border-radius: 10px;
opacity: 1;
transform:translate(5px,10px)
}