.tbl_conf {
	margin:10px 0;
}
	.tbl_conf th,
	.tbl_conf td {
		padding: 5px 1em;
		border: 1px solid #aaa;
		background: #fff;
		text-indent: 0;
	}
	.tbl_conf th {
		white-space: nowrap;
		background: #ddd;
		font-weight: bold;
	}
	.tbl_conf td {
		vertical-align:middle;
	}
	


@media screen and (max-width: 640px){

.tbl_conf {
	margin:10px 0;
}
	.tbl_conf th,
	.tbl_conf td {
		padding: 5px 1em;
		border: 1px solid #aaa;
		background: #fff;
		text-indent: 0;
	}
	.tbl_conf th {
		white-space: nowrap;
		background: #ddd;
		font-weight: bold;
	}
	.tbl_conf td {
		vertical-align:middle;
	}
	
	
	
}