#main_1 {
	 width: 450px; float: left; clear: left
}
#main_2 {
	float: left; width: 450px; margin-top: 5px
}
table { letter-spacing: 0.1em;}
.bc { border-collapse: collapse;}
.bc th, .bc td { padding: 0.4em 1em; font-size: 12px;
	border-top: 1px solid #000;
	border-bottom: 1px solid #000;}

.bc1 th, .bc1 td { padding: 0.4em 1em; font-size: 12px;
	border-top: 1px solid #000;
	border-bottom: 1px solid #000;}
.bc1 th { border-bottom: 3px solid #000;
	color: #666;}
.bc2 th, .bc2 td { padding: 0.4em 1em; font-size: 12px;
	border-top: 1px solid #064;
	border-bottom: 1px solid #064;}
.bc2 th { border-bottom: 1px solid #064;
	background: #dfd; color: #466;}