div.eg1 {border:10px solid;
         border-color:#9cf;
         margin:10px; background:#eee;}

div.eg2 {border:10px solid;
         border-color:#9cf #cc6;
         margin:10px; background:#eee;}

div.eg3 {border:10px solid;
         border-color:#9cf #cc6 #9c6;
         margin:10px; background:#eee;}

div.eg4 {border:10px solid;
         border-color:#9cf #cc6 #9c6 #f66;
         margin:10px; background:#eee;}