.b1, .b2, .b3, .b4{
	font-size:1px;
	overflow:hidden;
	display:block;
}
.b1 {
	height:1px;
	background:#888;
	margin:0 5px;
}
.b2 {height:1px; background:#ddd; border-right:2px solid #888; border-left:2px solid #888; margin:0 3px;}
.b3 {height:1px; background:#ddd; border-right:1px solid #888; border-left:1px solid #888; margin:0 2px;}
.b4 {height:2px; background:#ddd; border-right:1px solid #888; border-left:1px solid #888; margin:0 1px;}
.contentb {
	background: #ddd;
	border-right:1px solid #888;
	border-left:1px solid #888;
}
.contentb div {
	margin-left: 5px;
	margin-right: 5px;
}
.contentb th {
	text-decoration: underline;
	font-size: 14px;
	padding-bottom: 10px;
	text-align: center;
}
td.tamano {
	text-align: center;
	width: 50%;
}
.contentb table {
	width: 100%;
	text-align: center;
}
td {
	padding-bottom: 10px;
}