HTML

<div class="hovergallery49"><img src="https://lh3.googleusercontent.com/-zs1vYPRH_ag/U1Zw4Nj9zOI/AAAAAAAASjU/JJ4hJWv0G8w/w500-h333-no/8.gif" alt="" width="230" height="250" /><img src="https://lh6.googleusercontent.com/--Lh5_xqXlkM/U1ZyB-9LG-I/AAAAAAAASkQ/nWhLq91aiog/w400-h266-no/1.gif" alt="" width="230" height="250" /></div>

CSS

.hovergallery49 img{ 
border: 2px solid #fff; 
border-radius: 20px; 
box-shadow: 2px 2px 6px #000000;
-webkit-transform:scale(0.9); 
-moz-transform:scale(0.9); 
-o-transform:scale(0.9);
-webkit-transition: width 3s, height 3s, background-color 3s, 
-webkit-transform 3s;
transition: width 3s, height 3s, background-color 3s, transform 3s;
opacity: 0.8; 
margin:5px 5px 5px 5px; 
}
.hovergallery49 img:hover{
box-shadow: 0 5px 5px -5px rgba(0, 0, 0, 0.9);
border: 1px dotted #000;
border-radius:60%;
opacity: 1;
transform: scale(1.1);
-moz-transform: scale(1.1);
-webkit-transform: scale(1.1);
transition: opacity 1s;
-moz-transition: opacity 1s;
-webkit-transition: opacity 1.5s;
-o-transition: opacity 1s;
}