.t1 {  font-size: 12px; line-height: 30px; text-decoration: none}
.t2 {  font-size: 12px; line-height: 25px; text-decoration: none}
.bg {  line-height: 15px; text-decoration: none; font-size: 12px}
.back {  font-size: 12px; color: #000000; text-decoration: none}
.sb {
	font-size: 12px;
	color: #000000;
	vertical-align: super;
}