body,td,th {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
}
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}.bt_top {
	background-repeat: repeat-x;
	background-position: left top;
}
.hg1 {
	line-height: 17px;
}
.hg2 {
	line-height: 20px;
}
.hg3 {
	line-height: 20px;
}