HTML

<div class="shadow">
<img src="bordering.jpg" alt="">
</div>

CSS

div.shadow {
float: left;
padding: 0 5px 5px 0;
}
div.shadow img {
display: block;
position: relative;
top: -2px;
left:-2px;
padding:8px;
background:#FFF;
border:1px solid;
border-color: #ccc #666 #666 #ccc;
}