.T1 {border-left:none;border-right:none;border-bottom:1px solid #CCCCCC;border-top:1px solid #CCCCCC;} 
.T2 {border-left:1px none #B3C2CC;border-right:1px solid #B3C2CC;border-bottom:none;border-top:none;} 
.T3 {border-left:1px solid #B3C2CC;border-right:1px solid #B3C2CC;border-bottom:1px solid #B3C2CC;border-top:none;}