A:link {TEXT-DECORATION: none}   
A:visited {TEXT-DECORATION: none}
A:active {TEXT-DECORATION: none}
A:hover {TEXT-DECORATION: underline}
.px_13 {  font-size: 13px}
.px_12_16 {  font-size: 12px; line-height: 16px; color: #666666}
.px_13_18 {  font-size: 13px; line-height: 18px}
.pxs {  font-size: 11px; line-height: 14px}