.thumb-img {
 border-top:1px solid #CCC; 
 border-left:1px solid #CCC; 
 border-bottom:1px solid #AAA; 
 border-right:1px solid #AAA;
 float:left; 
 background-color:#ffffff; 
 display:block;
 padding:2px;
 } 

.thumb-img a {
 display:block;
 }