.ct_scan {
border-collapse:collapse;
font-size:9.5px;
}


.ct_scan td {
	padding:3px;
	border:1px solid #d3d3c5;
	border-width:1px 1px 1px 1px;
	}
	
.ct_scan th {
	padding:4px;
	border:1px solid #d3d3c5;
	border-width:1px 1px 1px 1px;
	align: center;
	background:#E6E6E0;
	}
	
.ct_default {
border-collapse:collapse;
font-size:11.5px;
}


.ct_default td {
	padding:3px;
	border:1px solid #d3d3c5;
	border-width:1px 1px 1px 1px;
	}
	
.ct_default th {
	padding:4px;
	border:1px solid #d3d3c5;
	border-width:1px 1px 1px 1px;
	align: center;
	background:#E6E6E0;
	}

#options_th0 td {
	text-align: center;
	padding:5px 5px 5px 5px ;
	border:1px solid #d3d3c5;
	border-width:1px 1px 1px 1px;
	}
	
#options_th1 th {
	text-align: center;
	padding:4px 4px 1px 4px ;
	border:1px solid #d3d3c5;
	border-width:1px 1px 0px 1px;
	}	
	
#options_th2 th {
	text-align: center;
	padding:0px 2px 2px 2px ;
	border:1px solid #d3d3c5;
	border-width:0px 1px 1px 1px;
	}
	
#arrow1 {
	text-align: center;
	padding:3px 2px 3px 3px ;
	border:1px solid #d3d3c5;
	border-width:1px 0px 1px 0px;
}
	
#arrow2 {
	text-align: center;
	padding:0px 3px 0px 1px ;
	border:1px solid #d3d3c5;
	border-width:1px 1px 1px 0px;
}

.a {
background-color: red;
}

.b {
background-color: blue;
}