.ch15 {  font-size: 15px; line-height: 22px; color: #CCCCCC; letter-spacing:1px}
.ch12 {  font-size: 12px; line-height: 23px; color: #fafcfd; letter-spacing:1px}
.ch13 {  font-size: 12px; line-height: 18px; color: #66CCFF; letter-spacing:1px}
a:link {  color: #66CCFF; text-decoration: none}
a:hover {  color: #FFCC00; text-decoration: underline}
a:visited {  color: #CCCCCC; text-decoration: none}