/* the following shadow works in IE5.5-8, FF2-3, Safari3, Chrome */
.shadow {
box-shadow: 3px 5px 6px #888;
-moz-box-shadow: 3px 5px 6px #888;
-webkit-box-shadow: 3px 5px 6px #888;
filter:progid:DXImageTransform.Microsoft.Shadow(color=#888888, direction=135, strength=7);
}
Image by uggboy