.dropshadow { 
 -moz-box-shadow: 3px 3px 4px #999; /* Firefox */ 
 -webkit-box-shadow: 3px 3px 4px #999; /* Safari/Chrome */ 
 box-shadow: 3px 3px 4px #999; /* Opera and other CSS3 supporting browsers */ 
 -ms-filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#999999')";/* IE 8 */ 
 : progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#999999');/* IE 5.5 - 7 */  
} 
/*  add to src: class="dropshadow" */