HTML

<div class="hovergallery26"><img src="https://gif" alt="" width="230" height="250" /><img src="http://jpg" alt="" width="230" height="250" /></div>

CSS

.hovergallery26 img{ 
border: 1px dotted #000; 
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-duration: 0.4s; 
-moz-transition-duration: 0.4s;
-o-transition-duration: 0.4s; 
opacity: 0.8; 
margin:5px 5px 5px 5px; 
transform: rotate(1deg);
 
}
.hovergallery26 img:hover{
box-shadow: 2px 2px 3px 3px rgba(143, 143, 143, 0.3);
border: 1px solid #000;
border-radius: 10px;
opacity: 1;
transform: translate(20px, 20px);
}